Home / 532,698,090-799,029,124.60-187,642,698.88

Finding the Fourth Proportional to 532,698,090, 799,029,124.60 and 187,642,698.88

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Solution

The fourth proportional to 532,698,090, 799,029,124.60 and 187,642,698.88 is: 281,457,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,698,090 : 799,029,124.60 = 187,642,698.88 : x
  2. Step 2: Convert to fraction form
    532,698,090/799,029,124.60 = 187,642,698.88/x
  3. Step 3: Cross multiply
    532,698,090x = 799,029,124.60 × 187,642,698.88
  4. Step 4: Simplify right side
    532,698,090x = 149,931,981,423,667,808
  5. Step 5: Solve for x
    x = 149,931,981,423,667,808/532,698,090
  6. Step 6: Final answer
    x = 281,457,704.16

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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.