Home / 830,158,118.73-1,245,239,541.98-239,996,401.69

Finding the Fourth Proportional to 830,158,118.73, 1,245,239,541.98 and 239,996,401.69

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Solution

The fourth proportional to 830,158,118.73, 1,245,239,541.98 and 239,996,401.69 is: 359,995,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,158,118.73 : 1,245,239,541.98 = 239,996,401.69 : x
  2. Step 2: Convert to fraction form
    830,158,118.73/1,245,239,541.98 = 239,996,401.69/x
  3. Step 3: Cross multiply
    830,158,118.73x = 1,245,239,541.98 × 239,996,401.69
  4. Step 4: Simplify right side
    830,158,118.73x = 298,853,009,317,303,680
  5. Step 5: Solve for x
    x = 298,853,009,317,303,680/830,158,118.73
  6. Step 6: Final answer
    x = 359,995,285.93

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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.