Home / 749,088,002.30-1,123,632,003.45-543,652,303.10

Finding the Fourth Proportional to 749,088,002.30, 1,123,632,003.45 and 543,652,303.10

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Solution

The fourth proportional to 749,088,002.30, 1,123,632,003.45 and 543,652,303.10 is: 815,478,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,002.30 : 1,123,632,003.45 = 543,652,303.10 : x
  2. Step 2: Convert to fraction form
    749,088,002.30/1,123,632,003.45 = 543,652,303.10/x
  3. Step 3: Cross multiply
    749,088,002.30x = 1,123,632,003.45 × 543,652,303.10
  4. Step 4: Simplify right side
    749,088,002.30x = 610,865,126,512,459,648
  5. Step 5: Solve for x
    x = 610,865,126,512,459,648/749,088,002.30
  6. Step 6: Final answer
    x = 815,478,454.65

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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.