Home / 384,912,140.80-577,368,211.20-303,282,803.20

Finding the Fourth Proportional to 384,912,140.80, 577,368,211.20 and 303,282,803.20

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Solution

The fourth proportional to 384,912,140.80, 577,368,211.20 and 303,282,803.20 is: 454,924,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,140.80 : 577,368,211.20 = 303,282,803.20 : x
  2. Step 2: Convert to fraction form
    384,912,140.80/577,368,211.20 = 303,282,803.20/x
  3. Step 3: Cross multiply
    384,912,140.80x = 577,368,211.20 × 303,282,803.20
  4. Step 4: Simplify right side
    384,912,140.80x = 175,105,849,571,305,632
  5. Step 5: Solve for x
    x = 175,105,849,571,305,632/384,912,140.80
  6. Step 6: Final answer
    x = 454,924,204.80

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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.