Home / 627,341,071.40-941,011,607.10-368,680,207.40

Finding the Fourth Proportional to 627,341,071.40, 941,011,607.10 and 368,680,207.40

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Solution

The fourth proportional to 627,341,071.40, 941,011,607.10 and 368,680,207.40 is: 553,020,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,341,071.40 : 941,011,607.10 = 368,680,207.40 : x
  2. Step 2: Convert to fraction form
    627,341,071.40/941,011,607.10 = 368,680,207.40/x
  3. Step 3: Cross multiply
    627,341,071.40x = 941,011,607.10 × 368,680,207.40
  4. Step 4: Simplify right side
    627,341,071.40x = 346,932,354,471,435,328
  5. Step 5: Solve for x
    x = 346,932,354,471,435,328/627,341,071.40
  6. Step 6: Final answer
    x = 553,020,311.10

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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.