Home / 448,402,814.40-672,604,221.60-206,065,718.40

Finding the Fourth Proportional to 448,402,814.40, 672,604,221.60 and 206,065,718.40

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Solution

The fourth proportional to 448,402,814.40, 672,604,221.60 and 206,065,718.40 is: 309,098,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,402,814.40 : 672,604,221.60 = 206,065,718.40 : x
  2. Step 2: Convert to fraction form
    448,402,814.40/672,604,221.60 = 206,065,718.40/x
  3. Step 3: Cross multiply
    448,402,814.40x = 672,604,221.60 × 206,065,718.40
  4. Step 4: Simplify right side
    448,402,814.40x = 138,600,672,122,876,800
  5. Step 5: Solve for x
    x = 138,600,672,122,876,800/448,402,814.40
  6. Step 6: Final answer
    x = 309,098,577.60

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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.