Home / 646,822,934.60-970,234,401.90-186,776,112.20

Finding the Fourth Proportional to 646,822,934.60, 970,234,401.90 and 186,776,112.20

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Solution

The fourth proportional to 646,822,934.60, 970,234,401.90 and 186,776,112.20 is: 280,164,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822,934.60 : 970,234,401.90 = 186,776,112.20 : x
  2. Step 2: Convert to fraction form
    646,822,934.60/970,234,401.90 = 186,776,112.20/x
  3. Step 3: Cross multiply
    646,822,934.60x = 970,234,401.90 × 186,776,112.20
  4. Step 4: Simplify right side
    646,822,934.60x = 181,216,609,509,574,272
  5. Step 5: Solve for x
    x = 181,216,609,509,574,272/646,822,934.60
  6. Step 6: Final answer
    x = 280,164,168.30

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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.