Home / 655,121,284.38-983,169,980.63-480,695,048.03

Finding the Fourth Proportional to 655,121,284.38, 983,169,980.63 and 480,695,048.03

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Solution

The fourth proportional to 655,121,284.38, 983,169,980.63 and 480,695,048.03 is: 721,400,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,121,284.38 : 983,169,980.63 = 480,695,048.03 : x
  2. Step 2: Convert to fraction form
    655,121,284.38/983,169,980.63 = 480,695,048.03/x
  3. Step 3: Cross multiply
    655,121,284.38x = 983,169,980.63 × 480,695,048.03
  4. Step 4: Simplify right side
    655,121,284.38x = 472,604,941,053,272,640
  5. Step 5: Solve for x
    x = 472,604,941,053,272,640/655,121,284.38
  6. Step 6: Final answer
    x = 721,400,681.56

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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.