Home / 448,492,251.28-672,719,210.79-153,413,756.78

Finding the Fourth Proportional to 448,492,251.28, 672,719,210.79 and 153,413,756.78

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Solution

The fourth proportional to 448,492,251.28, 672,719,210.79 and 153,413,756.78 is: 230,114,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,251.28 : 672,719,210.79 = 153,413,756.78 : x
  2. Step 2: Convert to fraction form
    448,492,251.28/672,719,210.79 = 153,413,756.78/x
  3. Step 3: Cross multiply
    448,492,251.28x = 672,719,210.79 × 153,413,756.78
  4. Step 4: Simplify right side
    448,492,251.28x = 103,204,381,386,363,008
  5. Step 5: Solve for x
    x = 103,204,381,386,363,008/448,492,251.28
  6. Step 6: Final answer
    x = 230,114,079.10

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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.