Home / 1,042,922,018,947.80-1,564,561,253,358.60-429,966,506,376.40

Finding the Fourth Proportional to 1,042,922,018,947.80, 1,564,561,253,358.60 and 429,966,506,376.40

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Solution

The fourth proportional to 1,042,922,018,947.80, 1,564,561,253,358.60 and 429,966,506,376.40 is: 645,023,236,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,947.80 : 1,564,561,253,358.60 = 429,966,506,376.40 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,947.80/1,564,561,253,358.60 = 429,966,506,376.40/x
  3. Step 3: Cross multiply
    1,042,922,018,947.80x = 1,564,561,253,358.60 × 429,966,506,376.40
  4. Step 4: Simplify right side
    1,042,922,018,947.80x = 672,708,936,118,478,915,502,080
  5. Step 5: Solve for x
    x = 672,708,936,118,478,915,502,080/1,042,922,018,947.80
  6. Step 6: Final answer
    x = 645,023,236,538.02

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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.