Home / 777,312,777.40-1,165,981,607.70-202,884,105.40

Finding the Fourth Proportional to 777,312,777.40, 1,165,981,607.70 and 202,884,105.40

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Solution

The fourth proportional to 777,312,777.40, 1,165,981,607.70 and 202,884,105.40 is: 304,329,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,312,777.40 : 1,165,981,607.70 = 202,884,105.40 : x
  2. Step 2: Convert to fraction form
    777,312,777.40/1,165,981,607.70 = 202,884,105.40/x
  3. Step 3: Cross multiply
    777,312,777.40x = 1,165,981,607.70 × 202,884,105.40
  4. Step 4: Simplify right side
    777,312,777.40x = 236,559,135,391,068,256
  5. Step 5: Solve for x
    x = 236,559,135,391,068,256/777,312,777.40
  6. Step 6: Final answer
    x = 304,329,405.45

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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.