Home / 1,347,714,761.67-1,859,942,612.25-744,872,416.20

Finding the Fourth Proportional to 1,347,714,761.67, 1,859,942,612.25 and 744,872,416.20

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Solution

The fourth proportional to 1,347,714,761.67, 1,859,942,612.25 and 744,872,416.20 is: 1,027,977,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,714,761.67 : 1,859,942,612.25 = 744,872,416.20 : x
  2. Step 2: Convert to fraction form
    1,347,714,761.67/1,859,942,612.25 = 744,872,416.20/x
  3. Step 3: Cross multiply
    1,347,714,761.67x = 1,859,942,612.25 × 744,872,416.20
  4. Step 4: Simplify right side
    1,347,714,761.67x = 1,385,419,947,579,997,184
  5. Step 5: Solve for x
    x = 1,385,419,947,579,997,184/1,347,714,761.67
  6. Step 6: Final answer
    x = 1,027,977,126.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.