Home / 664,320,215.70-996,480,323.55-634,087,127.70

Finding the Fourth Proportional to 664,320,215.70, 996,480,323.55 and 634,087,127.70

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Solution

The fourth proportional to 664,320,215.70, 996,480,323.55 and 634,087,127.70 is: 951,130,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320,215.70 : 996,480,323.55 = 634,087,127.70 : x
  2. Step 2: Convert to fraction form
    664,320,215.70/996,480,323.55 = 634,087,127.70/x
  3. Step 3: Cross multiply
    664,320,215.70x = 996,480,323.55 × 634,087,127.70
  4. Step 4: Simplify right side
    664,320,215.70x = 631,855,346,169,386,240
  5. Step 5: Solve for x
    x = 631,855,346,169,386,240/664,320,215.70
  6. Step 6: Final answer
    x = 951,130,691.55

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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.