Home / 360,332,911.40-540,499,367.10-207,277,903.40

Finding the Fourth Proportional to 360,332,911.40, 540,499,367.10 and 207,277,903.40

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Solution

The fourth proportional to 360,332,911.40, 540,499,367.10 and 207,277,903.40 is: 310,916,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,332,911.40 : 540,499,367.10 = 207,277,903.40 : x
  2. Step 2: Convert to fraction form
    360,332,911.40/540,499,367.10 = 207,277,903.40/x
  3. Step 3: Cross multiply
    360,332,911.40x = 540,499,367.10 × 207,277,903.40
  4. Step 4: Simplify right side
    360,332,911.40x = 112,033,575,601,514,944
  5. Step 5: Solve for x
    x = 112,033,575,601,514,944/360,332,911.40
  6. Step 6: Final answer
    x = 310,916,855.10

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Similar ratio
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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.