Home / 631,057,356.34-946,288,108.50-368,817,138.76

Finding the Fourth Proportional to 631,057,356.34, 946,288,108.50 and 368,817,138.76

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Solution

The fourth proportional to 631,057,356.34, 946,288,108.50 and 368,817,138.76 is: 553,051,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,057,356.34 : 946,288,108.50 = 368,817,138.76 : x
  2. Step 2: Convert to fraction form
    631,057,356.34/946,288,108.50 = 368,817,138.76/x
  3. Step 3: Cross multiply
    631,057,356.34x = 946,288,108.50 × 368,817,138.76
  4. Step 4: Simplify right side
    631,057,356.34x = 349,007,272,619,582,400
  5. Step 5: Solve for x
    x = 349,007,272,619,582,400/631,057,356.34
  6. Step 6: Final answer
    x = 553,051,587.33

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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.