Home / 1,527,946,611.24-2,291,917,058.10-478,765,135.74

Finding the Fourth Proportional to 1,527,946,611.24, 2,291,917,058.10 and 478,765,135.74

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Solution

The fourth proportional to 1,527,946,611.24, 2,291,917,058.10 and 478,765,135.74 is: 718,146,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,946,611.24 : 2,291,917,058.10 = 478,765,135.74 : x
  2. Step 2: Convert to fraction form
    1,527,946,611.24/2,291,917,058.10 = 478,765,135.74/x
  3. Step 3: Cross multiply
    1,527,946,611.24x = 2,291,917,058.10 × 478,765,135.74
  4. Step 4: Simplify right side
    1,527,946,611.24x = 1,097,289,981,426,067,968
  5. Step 5: Solve for x
    x = 1,097,289,981,426,067,968/1,527,946,611.24
  6. Step 6: Final answer
    x = 718,146,807.85

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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.