Home / 830,158,096.32-1,245,239,508.45-239,996,379.35

Finding the Fourth Proportional to 830,158,096.32, 1,245,239,508.45 and 239,996,379.35

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Solution

The fourth proportional to 830,158,096.32, 1,245,239,508.45 and 239,996,379.35 is: 359,995,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,158,096.32 : 1,245,239,508.45 = 239,996,379.35 : x
  2. Step 2: Convert to fraction form
    830,158,096.32/1,245,239,508.45 = 239,996,379.35/x
  3. Step 3: Cross multiply
    830,158,096.32x = 1,245,239,508.45 × 239,996,379.35
  4. Step 4: Simplify right side
    830,158,096.32x = 298,852,973,448,460,608
  5. Step 5: Solve for x
    x = 298,852,973,448,460,608/830,158,096.32
  6. Step 6: Final answer
    x = 359,995,252.44

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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.