Home / 448,454,133.64-672,716,416.02-120,924,715.78

Finding the Fourth Proportional to 448,454,133.64, 672,716,416.02 and 120,924,715.78

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Solution

The fourth proportional to 448,454,133.64, 672,716,416.02 and 120,924,715.78 is: 181,396,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,454,133.64 : 672,716,416.02 = 120,924,715.78 : x
  2. Step 2: Convert to fraction form
    448,454,133.64/672,716,416.02 = 120,924,715.78/x
  3. Step 3: Cross multiply
    448,454,133.64x = 672,716,416.02 × 120,924,715.78
  4. Step 4: Simplify right side
    448,454,133.64x = 81,348,041,407,758,736
  5. Step 5: Solve for x
    x = 81,348,041,407,758,736/448,454,133.64
  6. Step 6: Final answer
    x = 181,396,569.47

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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.