Home / 1,178,234,314.62-1,767,360,329.28-523,009,191.18

Finding the Fourth Proportional to 1,178,234,314.62, 1,767,360,329.28 and 523,009,191.18

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Solution

The fourth proportional to 1,178,234,314.62, 1,767,360,329.28 and 523,009,191.18 is: 784,517,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,234,314.62 : 1,767,360,329.28 = 523,009,191.18 : x
  2. Step 2: Convert to fraction form
    1,178,234,314.62/1,767,360,329.28 = 523,009,191.18/x
  3. Step 3: Cross multiply
    1,178,234,314.62x = 1,767,360,329.28 × 523,009,191.18
  4. Step 4: Simplify right side
    1,178,234,314.62x = 924,345,696,340,351,232
  5. Step 5: Solve for x
    x = 924,345,696,340,351,232/1,178,234,314.62
  6. Step 6: Final answer
    x = 784,517,718.48

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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.