Home / 475,748,702.40-656,653,891.32-325,102,368.72

Finding the Fourth Proportional to 475,748,702.40, 656,653,891.32 and 325,102,368.72

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Solution

The fourth proportional to 475,748,702.40, 656,653,891.32 and 325,102,368.72 is: 448,723,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,748,702.40 : 656,653,891.32 = 325,102,368.72 : x
  2. Step 2: Convert to fraction form
    475,748,702.40/656,653,891.32 = 325,102,368.72/x
  3. Step 3: Cross multiply
    475,748,702.40x = 656,653,891.32 × 325,102,368.72
  4. Step 4: Simplify right side
    475,748,702.40x = 213,479,735,497,337,472
  5. Step 5: Solve for x
    x = 213,479,735,497,337,472/475,748,702.40
  6. Step 6: Final answer
    x = 448,723,736.76

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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.