Home / 1,042,922,018,939.20-1,564,561,253,345.90-429,966,506,367.80

Finding the Fourth Proportional to 1,042,922,018,939.20, 1,564,561,253,345.90 and 429,966,506,367.80

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Solution

The fourth proportional to 1,042,922,018,939.20, 1,564,561,253,345.90 and 429,966,506,367.80 is: 645,023,236,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,939.20 : 1,564,561,253,345.90 = 429,966,506,367.80 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,939.20/1,564,561,253,345.90 = 429,966,506,367.80/x
  3. Step 3: Cross multiply
    1,042,922,018,939.20x = 1,564,561,253,345.90 × 429,966,506,367.80
  4. Step 4: Simplify right side
    1,042,922,018,939.20x = 672,708,936,099,562,940,006,400
  5. Step 5: Solve for x
    x = 672,708,936,099,562,940,006,400/1,042,922,018,939.20
  6. Step 6: Final answer
    x = 645,023,236,525.20

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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.