Home / 1,042,922,018,938.20-1,564,561,253,344.20-429,966,506,366.80

Finding the Fourth Proportional to 1,042,922,018,938.20, 1,564,561,253,344.20 and 429,966,506,366.80

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Solution

The fourth proportional to 1,042,922,018,938.20, 1,564,561,253,344.20 and 429,966,506,366.80 is: 645,023,236,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,938.20 : 1,564,561,253,344.20 = 429,966,506,366.80 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,938.20/1,564,561,253,344.20 = 429,966,506,366.80/x
  3. Step 3: Cross multiply
    1,042,922,018,938.20x = 1,564,561,253,344.20 × 429,966,506,366.80
  4. Step 4: Simplify right side
    1,042,922,018,938.20x = 672,708,936,097,267,548,422,144
  5. Step 5: Solve for x
    x = 672,708,936,097,267,548,422,144/1,042,922,018,938.20
  6. Step 6: Final answer
    x = 645,023,236,523.62

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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.