Home / 1,165,960,852.40-1,749,031,696.20-389,609,289.20

Finding the Fourth Proportional to 1,165,960,852.40, 1,749,031,696.20 and 389,609,289.20

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Solution

The fourth proportional to 1,165,960,852.40, 1,749,031,696.20 and 389,609,289.20 is: 584,444,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,960,852.40 : 1,749,031,696.20 = 389,609,289.20 : x
  2. Step 2: Convert to fraction form
    1,165,960,852.40/1,749,031,696.20 = 389,609,289.20/x
  3. Step 3: Cross multiply
    1,165,960,852.40x = 1,749,031,696.20 × 389,609,289.20
  4. Step 4: Simplify right side
    1,165,960,852.40x = 681,438,995,944,752,384
  5. Step 5: Solve for x
    x = 681,438,995,944,752,384/1,165,960,852.40
  6. Step 6: Final answer
    x = 584,444,147.11

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1.5x scale

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.