Home / 514,014,906.39-771,095,569.40-159,519,816.87

Finding the Fourth Proportional to 514,014,906.39, 771,095,569.40 and 159,519,816.87

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Solution

The fourth proportional to 514,014,906.39, 771,095,569.40 and 159,519,816.87 is: 239,302,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,014,906.39 : 771,095,569.40 = 159,519,816.87 : x
  2. Step 2: Convert to fraction form
    514,014,906.39/771,095,569.40 = 159,519,816.87/x
  3. Step 3: Cross multiply
    514,014,906.39x = 771,095,569.40 × 159,519,816.87
  4. Step 4: Simplify right side
    514,014,906.39x = 123,005,024,019,158,784
  5. Step 5: Solve for x
    x = 123,005,024,019,158,784/514,014,906.39
  6. Step 6: Final answer
    x = 239,302,445.30

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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.