Home / 646,456,166.98-969,684,263.28-155,169,436.61

Finding the Fourth Proportional to 646,456,166.98, 969,684,263.28 and 155,169,436.61

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Solution

The fourth proportional to 646,456,166.98, 969,684,263.28 and 155,169,436.61 is: 232,754,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,456,166.98 : 969,684,263.28 = 155,169,436.61 : x
  2. Step 2: Convert to fraction form
    646,456,166.98/969,684,263.28 = 155,169,436.61/x
  3. Step 3: Cross multiply
    646,456,166.98x = 969,684,263.28 × 155,169,436.61
  4. Step 4: Simplify right side
    646,456,166.98x = 150,465,360,821,964,672
  5. Step 5: Solve for x
    x = 150,465,360,821,964,672/646,456,166.98
  6. Step 6: Final answer
    x = 232,754,157.99

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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.