Home / 845,813,803.32-1,268,781,853.50-354,032,473.68

Finding the Fourth Proportional to 845,813,803.32, 1,268,781,853.50 and 354,032,473.68

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Solution

The fourth proportional to 845,813,803.32, 1,268,781,853.50 and 354,032,473.68 is: 531,074,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813,803.32 : 1,268,781,853.50 = 354,032,473.68 : x
  2. Step 2: Convert to fraction form
    845,813,803.32/1,268,781,853.50 = 354,032,473.68/x
  3. Step 3: Cross multiply
    845,813,803.32x = 1,268,781,853.50 × 354,032,473.68
  4. Step 4: Simplify right side
    845,813,803.32x = 449,189,978,154,900,352
  5. Step 5: Solve for x
    x = 449,189,978,154,900,352/845,813,803.32
  6. Step 6: Final answer
    x = 531,074,305.47

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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.