Home / 1,042,922,018,937.70-1,564,561,253,343.50-429,966,506,366.30

Finding the Fourth Proportional to 1,042,922,018,937.70, 1,564,561,253,343.50 and 429,966,506,366.30

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Solution

The fourth proportional to 1,042,922,018,937.70, 1,564,561,253,343.50 and 429,966,506,366.30 is: 645,023,236,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,937.70 : 1,564,561,253,343.50 = 429,966,506,366.30 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,937.70/1,564,561,253,343.50 = 429,966,506,366.30/x
  3. Step 3: Cross multiply
    1,042,922,018,937.70x = 1,564,561,253,343.50 × 429,966,506,366.30
  4. Step 4: Simplify right side
    1,042,922,018,937.70x = 672,708,936,096,184,277,139,456
  5. Step 5: Solve for x
    x = 672,708,936,096,184,277,139,456/1,042,922,018,937.70
  6. Step 6: Final answer
    x = 645,023,236,522.89

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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.