Home / 1,042,922,018,947.20-1,564,561,253,357.60-429,966,506,375.80

Finding the Fourth Proportional to 1,042,922,018,947.20, 1,564,561,253,357.60 and 429,966,506,375.80

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Solution

The fourth proportional to 1,042,922,018,947.20, 1,564,561,253,357.60 and 429,966,506,375.80 is: 645,023,236,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,947.20 : 1,564,561,253,357.60 = 429,966,506,375.80 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,947.20/1,564,561,253,357.60 = 429,966,506,375.80/x
  3. Step 3: Cross multiply
    1,042,922,018,947.20x = 1,564,561,253,357.60 × 429,966,506,375.80
  4. Step 4: Simplify right side
    1,042,922,018,947.20x = 672,708,936,117,110,163,111,936
  5. Step 5: Solve for x
    x = 672,708,936,117,110,163,111,936/1,042,922,018,947.20
  6. Step 6: Final answer
    x = 645,023,236,537.08

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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.