Home / 618,516,011.40-927,774,017.10-273,291,937.80

Finding the Fourth Proportional to 618,516,011.40, 927,774,017.10 and 273,291,937.80

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Solution

The fourth proportional to 618,516,011.40, 927,774,017.10 and 273,291,937.80 is: 409,937,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,516,011.40 : 927,774,017.10 = 273,291,937.80 : x
  2. Step 2: Convert to fraction form
    618,516,011.40/927,774,017.10 = 273,291,937.80/x
  3. Step 3: Cross multiply
    618,516,011.40x = 927,774,017.10 × 273,291,937.80
  4. Step 4: Simplify right side
    618,516,011.40x = 253,553,158,973,749,344
  5. Step 5: Solve for x
    x = 253,553,158,973,749,344/618,516,011.40
  6. Step 6: Final answer
    x = 409,937,906.70

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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.