Home / 825,652,238.40-1,139,400,276.80-454,374,269.78

Finding the Fourth Proportional to 825,652,238.40, 1,139,400,276.80 and 454,374,269.78

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Solution

The fourth proportional to 825,652,238.40, 1,139,400,276.80 and 454,374,269.78 is: 627,036,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,652,238.40 : 1,139,400,276.80 = 454,374,269.78 : x
  2. Step 2: Convert to fraction form
    825,652,238.40/1,139,400,276.80 = 454,374,269.78/x
  3. Step 3: Cross multiply
    825,652,238.40x = 1,139,400,276.80 × 454,374,269.78
  4. Step 4: Simplify right side
    825,652,238.40x = 517,714,168,750,161,024
  5. Step 5: Solve for x
    x = 517,714,168,750,161,024/825,652,238.40
  6. Step 6: Final answer
    x = 627,036,595.64

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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.