Home / 825,652,240.65-1,139,400,279.90-454,374,272.07

Finding the Fourth Proportional to 825,652,240.65, 1,139,400,279.90 and 454,374,272.07

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Solution

The fourth proportional to 825,652,240.65, 1,139,400,279.90 and 454,374,272.07 is: 627,036,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,652,240.65 : 1,139,400,279.90 = 454,374,272.07 : x
  2. Step 2: Convert to fraction form
    825,652,240.65/1,139,400,279.90 = 454,374,272.07/x
  3. Step 3: Cross multiply
    825,652,240.65x = 1,139,400,279.90 × 454,374,272.07
  4. Step 4: Simplify right side
    825,652,240.65x = 517,714,172,775,916,800
  5. Step 5: Solve for x
    x = 517,714,172,775,916,800/825,652,240.65
  6. Step 6: Final answer
    x = 627,036,598.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.