Home / 512,249,195.13-768,395,050.33-148,743,551.13

Finding the Fourth Proportional to 512,249,195.13, 768,395,050.33 and 148,743,551.13

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Solution

The fourth proportional to 512,249,195.13, 768,395,050.33 and 148,743,551.13 is: 223,121,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,249,195.13 : 768,395,050.33 = 148,743,551.13 : x
  2. Step 2: Convert to fraction form
    512,249,195.13/768,395,050.33 = 148,743,551.13/x
  3. Step 3: Cross multiply
    512,249,195.13x = 768,395,050.33 × 148,743,551.13
  4. Step 4: Simplify right side
    512,249,195.13x = 114,293,808,456,799,280
  5. Step 5: Solve for x
    x = 114,293,808,456,799,280/512,249,195.13
  6. Step 6: Final answer
    x = 223,121,499.35

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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.