Home / 448,390,898.40-672,780,520.40-240,887,201.16

Finding the Fourth Proportional to 448,390,898.40, 672,780,520.40 and 240,887,201.16

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Solution

The fourth proportional to 448,390,898.40, 672,780,520.40 and 240,887,201.16 is: 361,435,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,390,898.40 : 672,780,520.40 = 240,887,201.16 : x
  2. Step 2: Convert to fraction form
    448,390,898.40/672,780,520.40 = 240,887,201.16/x
  3. Step 3: Cross multiply
    448,390,898.40x = 672,780,520.40 × 240,887,201.16
  4. Step 4: Simplify right side
    448,390,898.40x = 162,064,216,556,796,544
  5. Step 5: Solve for x
    x = 162,064,216,556,796,544/448,390,898.40
  6. Step 6: Final answer
    x = 361,435,116.40

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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.