Home / 672,605,387.40-1,008,908,081.10-565,466,881.80

Finding the Fourth Proportional to 672,605,387.40, 1,008,908,081.10 and 565,466,881.80

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Solution

The fourth proportional to 672,605,387.40, 1,008,908,081.10 and 565,466,881.80 is: 848,200,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,387.40 : 1,008,908,081.10 = 565,466,881.80 : x
  2. Step 2: Convert to fraction form
    672,605,387.40/1,008,908,081.10 = 565,466,881.80/x
  3. Step 3: Cross multiply
    672,605,387.40x = 1,008,908,081.10 × 565,466,881.80
  4. Step 4: Simplify right side
    672,605,387.40x = 570,504,106,642,438,464
  5. Step 5: Solve for x
    x = 570,504,106,642,438,464/672,605,387.40
  6. Step 6: Final answer
    x = 848,200,322.70

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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.