Home / 487,495,989.41-672,745,755.50-264,477,664.10

Finding the Fourth Proportional to 487,495,989.41, 672,745,755.50 and 264,477,664.10

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Solution

The fourth proportional to 487,495,989.41, 672,745,755.50 and 264,477,664.10 is: 364,979,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,495,989.41 : 672,745,755.50 = 264,477,664.10 : x
  2. Step 2: Convert to fraction form
    487,495,989.41/672,745,755.50 = 264,477,664.10/x
  3. Step 3: Cross multiply
    487,495,989.41x = 672,745,755.50 × 264,477,664.10
  4. Step 4: Simplify right side
    487,495,989.41x = 177,926,225,949,718,784
  5. Step 5: Solve for x
    x = 177,926,225,949,718,784/487,495,989.41
  6. Step 6: Final answer
    x = 364,979,876.38

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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.