Home / 305,208,068.60-457,812,102.90-293,303,790.20

Finding the Fourth Proportional to 305,208,068.60, 457,812,102.90 and 293,303,790.20

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Solution

The fourth proportional to 305,208,068.60, 457,812,102.90 and 293,303,790.20 is: 439,955,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,208,068.60 : 457,812,102.90 = 293,303,790.20 : x
  2. Step 2: Convert to fraction form
    305,208,068.60/457,812,102.90 = 293,303,790.20/x
  3. Step 3: Cross multiply
    305,208,068.60x = 457,812,102.90 × 293,303,790.20
  4. Step 4: Simplify right side
    305,208,068.60x = 134,278,024,980,002,400
  5. Step 5: Solve for x
    x = 134,278,024,980,002,400/305,208,068.60
  6. Step 6: Final answer
    x = 439,955,685.30

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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.