Home / 608,615,960.18-839,908,769.40-344,292,651.86

Finding the Fourth Proportional to 608,615,960.18, 839,908,769.40 and 344,292,651.86

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Solution

The fourth proportional to 608,615,960.18, 839,908,769.40 and 344,292,651.86 is: 475,134,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,615,960.18 : 839,908,769.40 = 344,292,651.86 : x
  2. Step 2: Convert to fraction form
    608,615,960.18/839,908,769.40 = 344,292,651.86/x
  3. Step 3: Cross multiply
    608,615,960.18x = 839,908,769.40 × 344,292,651.86
  4. Step 4: Simplify right side
    608,615,960.18x = 289,174,417,532,995,712
  5. Step 5: Solve for x
    x = 289,174,417,532,995,712/608,615,960.18
  6. Step 6: Final answer
    x = 475,134,463.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.