Home / 1,042,922,018,936.30-1,564,561,253,341.60-429,966,506,364.90

Finding the Fourth Proportional to 1,042,922,018,936.30, 1,564,561,253,341.60 and 429,966,506,364.90

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Solution

The fourth proportional to 1,042,922,018,936.30, 1,564,561,253,341.60 and 429,966,506,364.90 is: 645,023,236,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,936.30 : 1,564,561,253,341.60 = 429,966,506,364.90 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,936.30/1,564,561,253,341.60 = 429,966,506,364.90/x
  3. Step 3: Cross multiply
    1,042,922,018,936.30x = 1,564,561,253,341.60 × 429,966,506,364.90
  4. Step 4: Simplify right side
    1,042,922,018,936.30x = 672,708,936,093,176,994,725,888
  5. Step 5: Solve for x
    x = 672,708,936,093,176,994,725,888/1,042,922,018,936.30
  6. Step 6: Final answer
    x = 645,023,236,520.88

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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.