Home / 450,454,565.61-621,599,876.89-249,499,528.22

Finding the Fourth Proportional to 450,454,565.61, 621,599,876.89 and 249,499,528.22

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Solution

The fourth proportional to 450,454,565.61, 621,599,876.89 and 249,499,528.22 is: 344,294,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,454,565.61 : 621,599,876.89 = 249,499,528.22 : x
  2. Step 2: Convert to fraction form
    450,454,565.61/621,599,876.89 = 249,499,528.22/x
  3. Step 3: Cross multiply
    450,454,565.61x = 621,599,876.89 × 249,499,528.22
  4. Step 4: Simplify right side
    450,454,565.61x = 155,088,876,026,595,328
  5. Step 5: Solve for x
    x = 155,088,876,026,595,328/450,454,565.61
  6. Step 6: Final answer
    x = 344,294,159.43

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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.