Home / 1,010,983,416.90-1,516,475,125.35-838,654,815.30

Finding the Fourth Proportional to 1,010,983,416.90, 1,516,475,125.35 and 838,654,815.30

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Solution

The fourth proportional to 1,010,983,416.90, 1,516,475,125.35 and 838,654,815.30 is: 1,257,982,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,983,416.90 : 1,516,475,125.35 = 838,654,815.30 : x
  2. Step 2: Convert to fraction form
    1,010,983,416.90/1,516,475,125.35 = 838,654,815.30/x
  3. Step 3: Cross multiply
    1,010,983,416.90x = 1,516,475,125.35 × 838,654,815.30
  4. Step 4: Simplify right side
    1,010,983,416.90x = 1,271,799,166,157,448,448
  5. Step 5: Solve for x
    x = 1,271,799,166,157,448,448/1,010,983,416.90
  6. Step 6: Final answer
    x = 1,257,982,222.95

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Half scale
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Double scale
Find fourth proportional to 1,010,983,417.90, 1,516,475,126.85 and 838,654,816.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.