Home / 520,882,276.89-780,301,848.49-302,072,923.24

Finding the Fourth Proportional to 520,882,276.89, 780,301,848.49 and 302,072,923.24

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Solution

The fourth proportional to 520,882,276.89, 780,301,848.49 and 302,072,923.24 is: 452,516,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,882,276.89 : 780,301,848.49 = 302,072,923.24 : x
  2. Step 2: Convert to fraction form
    520,882,276.89/780,301,848.49 = 302,072,923.24/x
  3. Step 3: Cross multiply
    520,882,276.89x = 780,301,848.49 × 302,072,923.24
  4. Step 4: Simplify right side
    520,882,276.89x = 235,708,060,382,949,888
  5. Step 5: Solve for x
    x = 235,708,060,382,949,888/520,882,276.89
  6. Step 6: Final answer
    x = 452,516,952.18

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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.