Home / 506,418,009.18-759,520,723.98-142,827,334.62

Finding the Fourth Proportional to 506,418,009.18, 759,520,723.98 and 142,827,334.62

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Solution

The fourth proportional to 506,418,009.18, 759,520,723.98 and 142,827,334.62 is: 214,211,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,418,009.18 : 759,520,723.98 = 142,827,334.62 : x
  2. Step 2: Convert to fraction form
    506,418,009.18/759,520,723.98 = 142,827,334.62/x
  3. Step 3: Cross multiply
    506,418,009.18x = 759,520,723.98 × 142,827,334.62
  4. Step 4: Simplify right side
    506,418,009.18x = 108,480,320,594,716,128
  5. Step 5: Solve for x
    x = 108,480,320,594,716,128/506,418,009.18
  6. Step 6: Final answer
    x = 214,211,024.55

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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.