Home / 380,376,072.40-570,564,108.60-354,677,947.60

Finding the Fourth Proportional to 380,376,072.40, 570,564,108.60 and 354,677,947.60

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Solution

The fourth proportional to 380,376,072.40, 570,564,108.60 and 354,677,947.60 is: 532,016,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,376,072.40 : 570,564,108.60 = 354,677,947.60 : x
  2. Step 2: Convert to fraction form
    380,376,072.40/570,564,108.60 = 354,677,947.60/x
  3. Step 3: Cross multiply
    380,376,072.40x = 570,564,108.60 × 354,677,947.60
  4. Step 4: Simplify right side
    380,376,072.40x = 202,366,507,012,471,520
  5. Step 5: Solve for x
    x = 202,366,507,012,471,520/380,376,072.40
  6. Step 6: Final answer
    x = 532,016,921.40

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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.