Home / 1,042,922,018,943.70-1,564,561,253,352.40-429,966,506,372.30

Finding the Fourth Proportional to 1,042,922,018,943.70, 1,564,561,253,352.40 and 429,966,506,372.30

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Solution

The fourth proportional to 1,042,922,018,943.70, 1,564,561,253,352.40 and 429,966,506,372.30 is: 645,023,236,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,943.70 : 1,564,561,253,352.40 = 429,966,506,372.30 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,943.70/1,564,561,253,352.40 = 429,966,506,372.30/x
  3. Step 3: Cross multiply
    1,042,922,018,943.70x = 1,564,561,253,352.40 × 429,966,506,372.30
  4. Step 4: Simplify right side
    1,042,922,018,943.70x = 672,708,936,109,398,280,896,512
  5. Step 5: Solve for x
    x = 672,708,936,109,398,280,896,512/1,042,922,018,943.70
  6. Step 6: Final answer
    x = 645,023,236,531.85

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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.