Home / 1,042,922,018,938.80-1,564,561,253,345.10-429,966,506,367.40

Finding the Fourth Proportional to 1,042,922,018,938.80, 1,564,561,253,345.10 and 429,966,506,367.40

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Solution

The fourth proportional to 1,042,922,018,938.80, 1,564,561,253,345.10 and 429,966,506,367.40 is: 645,023,236,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,938.80 : 1,564,561,253,345.10 = 429,966,506,367.40 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,938.80/1,564,561,253,345.10 = 429,966,506,367.40/x
  3. Step 3: Cross multiply
    1,042,922,018,938.80x = 1,564,561,253,345.10 × 429,966,506,367.40
  4. Step 4: Simplify right side
    1,042,922,018,938.80x = 672,708,936,098,593,351,139,328
  5. Step 5: Solve for x
    x = 672,708,936,098,593,351,139,328/1,042,922,018,938.80
  6. Step 6: Final answer
    x = 645,023,236,524.52

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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.