Home / 1,010,983,412.40-1,516,475,118.60-838,654,810.80

Finding the Fourth Proportional to 1,010,983,412.40, 1,516,475,118.60 and 838,654,810.80

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Solution

The fourth proportional to 1,010,983,412.40, 1,516,475,118.60 and 838,654,810.80 is: 1,257,982,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,983,412.40 : 1,516,475,118.60 = 838,654,810.80 : x
  2. Step 2: Convert to fraction form
    1,010,983,412.40/1,516,475,118.60 = 838,654,810.80/x
  3. Step 3: Cross multiply
    1,010,983,412.40x = 1,516,475,118.60 × 838,654,810.80
  4. Step 4: Simplify right side
    1,010,983,412.40x = 1,271,799,153,672,390,400
  5. Step 5: Solve for x
    x = 1,271,799,153,672,390,400/1,010,983,412.40
  6. Step 6: Final answer
    x = 1,257,982,216.20

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Double scale
Find fourth proportional to 1,010,983,413.40, 1,516,475,120.10 and 838,654,811.80
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.