Home / 1,235,413,816.20-1,853,119,237.12-315,290,253.24

Finding the Fourth Proportional to 1,235,413,816.20, 1,853,119,237.12 and 315,290,253.24

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Solution

The fourth proportional to 1,235,413,816.20, 1,853,119,237.12 and 315,290,253.24 is: 472,935,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,413,816.20 : 1,853,119,237.12 = 315,290,253.24 : x
  2. Step 2: Convert to fraction form
    1,235,413,816.20/1,853,119,237.12 = 315,290,253.24/x
  3. Step 3: Cross multiply
    1,235,413,816.20x = 1,853,119,237.12 × 315,290,253.24
  4. Step 4: Simplify right side
    1,235,413,816.20x = 584,270,433,555,480,448
  5. Step 5: Solve for x
    x = 584,270,433,555,480,448/1,235,413,816.20
  6. Step 6: Final answer
    x = 472,935,000.32

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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.