Home / 402,651,187.22-555,649,929.12-233,112,574.52

Finding the Fourth Proportional to 402,651,187.22, 555,649,929.12 and 233,112,574.52

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Solution

The fourth proportional to 402,651,187.22, 555,649,929.12 and 233,112,574.52 is: 321,690,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,651,187.22 : 555,649,929.12 = 233,112,574.52 : x
  2. Step 2: Convert to fraction form
    402,651,187.22/555,649,929.12 = 233,112,574.52/x
  3. Step 3: Cross multiply
    402,651,187.22x = 555,649,929.12 × 233,112,574.52
  4. Step 4: Simplify right side
    402,651,187.22x = 129,528,985,509,018,720
  5. Step 5: Solve for x
    x = 129,528,985,509,018,720/402,651,187.22
  6. Step 6: Final answer
    x = 321,690,310.68

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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.