Home / 1,042,922,018,950.20-1,564,561,253,362.10-429,966,506,378.80

Finding the Fourth Proportional to 1,042,922,018,950.20, 1,564,561,253,362.10 and 429,966,506,378.80

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Solution

The fourth proportional to 1,042,922,018,950.20, 1,564,561,253,362.10 and 429,966,506,378.80 is: 645,023,236,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,950.20 : 1,564,561,253,362.10 = 429,966,506,378.80 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,950.20/1,564,561,253,362.10 = 429,966,506,378.80/x
  3. Step 3: Cross multiply
    1,042,922,018,950.20x = 1,564,561,253,362.10 × 429,966,506,378.80
  4. Step 4: Simplify right side
    1,042,922,018,950.20x = 672,708,936,123,738,774,044,672
  5. Step 5: Solve for x
    x = 672,708,936,123,738,774,044,672/1,042,922,018,950.20
  6. Step 6: Final answer
    x = 645,023,236,541.58

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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.