Home / 315,423,008.80-473,134,513.20-133,646,567.20

Finding the Fourth Proportional to 315,423,008.80, 473,134,513.20 and 133,646,567.20

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Solution

The fourth proportional to 315,423,008.80, 473,134,513.20 and 133,646,567.20 is: 200,469,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,423,008.80 : 473,134,513.20 = 133,646,567.20 : x
  2. Step 2: Convert to fraction form
    315,423,008.80/473,134,513.20 = 133,646,567.20/x
  3. Step 3: Cross multiply
    315,423,008.80x = 473,134,513.20 × 133,646,567.20
  4. Step 4: Simplify right side
    315,423,008.80x = 63,232,803,513,023,088
  5. Step 5: Solve for x
    x = 63,232,803,513,023,088/315,423,008.80
  6. Step 6: Final answer
    x = 200,469,850.80

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1.5x scale

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.