Home / 284,228,940.60-426,343,410.90-280,402,565.40

Finding the Fourth Proportional to 284,228,940.60, 426,343,410.90 and 280,402,565.40

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Solution

The fourth proportional to 284,228,940.60, 426,343,410.90 and 280,402,565.40 is: 420,603,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,228,940.60 : 426,343,410.90 = 280,402,565.40 : x
  2. Step 2: Convert to fraction form
    284,228,940.60/426,343,410.90 = 280,402,565.40/x
  3. Step 3: Cross multiply
    284,228,940.60x = 426,343,410.90 × 280,402,565.40
  4. Step 4: Simplify right side
    284,228,940.60x = 119,547,786,157,746,304
  5. Step 5: Solve for x
    x = 119,547,786,157,746,304/284,228,940.60
  6. Step 6: Final answer
    x = 420,603,848.10

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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.