Home / 1,042,922,018,941.70-1,564,561,253,349.50-429,966,506,370.30

Finding the Fourth Proportional to 1,042,922,018,941.70, 1,564,561,253,349.50 and 429,966,506,370.30

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Solution

The fourth proportional to 1,042,922,018,941.70, 1,564,561,253,349.50 and 429,966,506,370.30 is: 645,023,236,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,941.70 : 1,564,561,253,349.50 = 429,966,506,370.30 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,941.70/1,564,561,253,349.50 = 429,966,506,370.30/x
  3. Step 3: Cross multiply
    1,042,922,018,941.70x = 1,564,561,253,349.50 × 429,966,506,370.30
  4. Step 4: Simplify right side
    1,042,922,018,941.70x = 672,708,936,105,022,380,310,528
  5. Step 5: Solve for x
    x = 672,708,936,105,022,380,310,528/1,042,922,018,941.70
  6. Step 6: Final answer
    x = 645,023,236,528.89

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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.