Home / 608,648,108.25-839,844,781.38-340,710,014.85

Finding the Fourth Proportional to 608,648,108.25, 839,844,781.38 and 340,710,014.85

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Solution

The fourth proportional to 608,648,108.25, 839,844,781.38 and 340,710,014.85 is: 470,129,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,648,108.25 : 839,844,781.38 = 340,710,014.85 : x
  2. Step 2: Convert to fraction form
    608,648,108.25/839,844,781.38 = 340,710,014.85/x
  3. Step 3: Cross multiply
    608,648,108.25x = 839,844,781.38 × 340,710,014.85
  4. Step 4: Simplify right side
    608,648,108.25x = 286,143,527,935,674,816
  5. Step 5: Solve for x
    x = 286,143,527,935,674,816/608,648,108.25
  6. Step 6: Final answer
    x = 470,129,659.58

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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.