Home / 466,284,364.90-643,240,125.05-277,979,973.32

Finding the Fourth Proportional to 466,284,364.90, 643,240,125.05 and 277,979,973.32

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Solution

The fourth proportional to 466,284,364.90, 643,240,125.05 and 277,979,973.32 is: 383,473,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,284,364.90 : 643,240,125.05 = 277,979,973.32 : x
  2. Step 2: Convert to fraction form
    466,284,364.90/643,240,125.05 = 277,979,973.32/x
  3. Step 3: Cross multiply
    466,284,364.90x = 643,240,125.05 × 277,979,973.32
  4. Step 4: Simplify right side
    466,284,364.90x = 178,807,872,799,970,656
  5. Step 5: Solve for x
    x = 178,807,872,799,970,656/466,284,364.90
  6. Step 6: Final answer
    x = 383,473,876.16

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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.