Home / 487,428,622.24-672,651,448.72-275,730,930.08

Finding the Fourth Proportional to 487,428,622.24, 672,651,448.72 and 275,730,930.08

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Solution

The fourth proportional to 487,428,622.24, 672,651,448.72 and 275,730,930.08 is: 380,508,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,428,622.24 : 672,651,448.72 = 275,730,930.08 : x
  2. Step 2: Convert to fraction form
    487,428,622.24/672,651,448.72 = 275,730,930.08/x
  3. Step 3: Cross multiply
    487,428,622.24x = 672,651,448.72 × 275,730,930.08
  4. Step 4: Simplify right side
    487,428,622.24x = 185,470,809,575,225,024
  5. Step 5: Solve for x
    x = 185,470,809,575,225,024/487,428,622.24
  6. Step 6: Final answer
    x = 380,508,655.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.