Home / 557,041,695.16-768,734,843.14-306,141,534.61

Finding the Fourth Proportional to 557,041,695.16, 768,734,843.14 and 306,141,534.61

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Solution

The fourth proportional to 557,041,695.16, 768,734,843.14 and 306,141,534.61 is: 422,484,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,041,695.16 : 768,734,843.14 = 306,141,534.61 : x
  2. Step 2: Convert to fraction form
    557,041,695.16/768,734,843.14 = 306,141,534.61/x
  3. Step 3: Cross multiply
    557,041,695.16x = 768,734,843.14 × 306,141,534.61
  4. Step 4: Simplify right side
    557,041,695.16x = 235,341,664,585,518,080
  5. Step 5: Solve for x
    x = 235,341,664,585,518,080/557,041,695.16
  6. Step 6: Final answer
    x = 422,484,827.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.