Home / 1,261,657,404.30-1,892,486,106.45-826,300,937.10

Finding the Fourth Proportional to 1,261,657,404.30, 1,892,486,106.45 and 826,300,937.10

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Solution

The fourth proportional to 1,261,657,404.30, 1,892,486,106.45 and 826,300,937.10 is: 1,239,451,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,657,404.30 : 1,892,486,106.45 = 826,300,937.10 : x
  2. Step 2: Convert to fraction form
    1,261,657,404.30/1,892,486,106.45 = 826,300,937.10/x
  3. Step 3: Cross multiply
    1,261,657,404.30x = 1,892,486,106.45 × 826,300,937.10
  4. Step 4: Simplify right side
    1,261,657,404.30x = 1,563,763,043,208,365,312
  5. Step 5: Solve for x
    x = 1,563,763,043,208,365,312/1,261,657,404.30
  6. Step 6: Final answer
    x = 1,239,451,405.65

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Double scale
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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.