Home / 305,208,055.10-457,812,082.65-293,303,776.70

Finding the Fourth Proportional to 305,208,055.10, 457,812,082.65 and 293,303,776.70

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Solution

The fourth proportional to 305,208,055.10, 457,812,082.65 and 293,303,776.70 is: 439,955,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,208,055.10 : 457,812,082.65 = 293,303,776.70 : x
  2. Step 2: Convert to fraction form
    305,208,055.10/457,812,082.65 = 293,303,776.70/x
  3. Step 3: Cross multiply
    305,208,055.10x = 457,812,082.65 × 293,303,776.70
  4. Step 4: Simplify right side
    305,208,055.10x = 134,278,012,860,137,536
  5. Step 5: Solve for x
    x = 134,278,012,860,137,536/305,208,055.10
  6. Step 6: Final answer
    x = 439,955,665.05

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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.