Home / 384,912,139.80-577,368,209.70-303,282,802.20

Finding the Fourth Proportional to 384,912,139.80, 577,368,209.70 and 303,282,802.20

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Solution

The fourth proportional to 384,912,139.80, 577,368,209.70 and 303,282,802.20 is: 454,924,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,139.80 : 577,368,209.70 = 303,282,802.20 : x
  2. Step 2: Convert to fraction form
    384,912,139.80/577,368,209.70 = 303,282,802.20/x
  3. Step 3: Cross multiply
    384,912,139.80x = 577,368,209.70 × 303,282,802.20
  4. Step 4: Simplify right side
    384,912,139.80x = 175,105,848,539,013,216
  5. Step 5: Solve for x
    x = 175,105,848,539,013,216/384,912,139.80
  6. Step 6: Final answer
    x = 454,924,203.30

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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.