Home / 317,660,686.20-476,491,029.30-145,473,802.20

Finding the Fourth Proportional to 317,660,686.20, 476,491,029.30 and 145,473,802.20

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Solution

The fourth proportional to 317,660,686.20, 476,491,029.30 and 145,473,802.20 is: 218,210,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,660,686.20 : 476,491,029.30 = 145,473,802.20 : x
  2. Step 2: Convert to fraction form
    317,660,686.20/476,491,029.30 = 145,473,802.20/x
  3. Step 3: Cross multiply
    317,660,686.20x = 476,491,029.30 × 145,473,802.20
  4. Step 4: Simplify right side
    317,660,686.20x = 69,316,961,746,462,600
  5. Step 5: Solve for x
    x = 69,316,961,746,462,600/317,660,686.20
  6. Step 6: Final answer
    x = 218,210,703.30

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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.