Home / 632,752,030.40-949,128,045.60-172,736,700.80

Finding the Fourth Proportional to 632,752,030.40, 949,128,045.60 and 172,736,700.80

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Solution

The fourth proportional to 632,752,030.40, 949,128,045.60 and 172,736,700.80 is: 259,105,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,752,030.40 : 949,128,045.60 = 172,736,700.80 : x
  2. Step 2: Convert to fraction form
    632,752,030.40/949,128,045.60 = 172,736,700.80/x
  3. Step 3: Cross multiply
    632,752,030.40x = 949,128,045.60 × 172,736,700.80
  4. Step 4: Simplify right side
    632,752,030.40x = 163,949,247,233,695,968
  5. Step 5: Solve for x
    x = 163,949,247,233,695,968/632,752,030.40
  6. Step 6: Final answer
    x = 259,105,051.20

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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.