Home / 448,364,882.76-672,523,398.36-120,835,140.90

Finding the Fourth Proportional to 448,364,882.76, 672,523,398.36 and 120,835,140.90

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Solution

The fourth proportional to 448,364,882.76, 672,523,398.36 and 120,835,140.90 is: 181,246,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,364,882.76 : 672,523,398.36 = 120,835,140.90 : x
  2. Step 2: Convert to fraction form
    448,364,882.76/672,523,398.36 = 120,835,140.90/x
  3. Step 3: Cross multiply
    448,364,882.76x = 672,523,398.36 × 120,835,140.90
  4. Step 4: Simplify right side
    448,364,882.76x = 81,264,459,599,377,440
  5. Step 5: Solve for x
    x = 81,264,459,599,377,440/448,364,882.76
  6. Step 6: Final answer
    x = 181,246,263.31

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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.