Home / 788,914,242.68-1,088,437,277.67-454,380,066.32

Finding the Fourth Proportional to 788,914,242.68, 1,088,437,277.67 and 454,380,066.32

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Solution

The fourth proportional to 788,914,242.68, 1,088,437,277.67 and 454,380,066.32 is: 626,892,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,914,242.68 : 1,088,437,277.67 = 454,380,066.32 : x
  2. Step 2: Convert to fraction form
    788,914,242.68/1,088,437,277.67 = 454,380,066.32/x
  3. Step 3: Cross multiply
    788,914,242.68x = 1,088,437,277.67 × 454,380,066.32
  4. Step 4: Simplify right side
    788,914,242.68x = 494,564,202,412,854,912
  5. Step 5: Solve for x
    x = 494,564,202,412,854,912/788,914,242.68
  6. Step 6: Final answer
    x = 626,892,221.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.