Home / 817,242,657.32-1,127,818,684.60-445,988,601.92

Finding the Fourth Proportional to 817,242,657.32, 1,127,818,684.60 and 445,988,601.92

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Solution

The fourth proportional to 817,242,657.32, 1,127,818,684.60 and 445,988,601.92 is: 615,477,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,242,657.32 : 1,127,818,684.60 = 445,988,601.92 : x
  2. Step 2: Convert to fraction form
    817,242,657.32/1,127,818,684.60 = 445,988,601.92/x
  3. Step 3: Cross multiply
    817,242,657.32x = 1,127,818,684.60 × 445,988,601.92
  4. Step 4: Simplify right side
    817,242,657.32x = 502,994,278,356,138,432
  5. Step 5: Solve for x
    x = 502,994,278,356,138,432/817,242,657.32
  6. Step 6: Final answer
    x = 615,477,268.41

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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.