Home / 788,873,653.71-1,088,549,945.01-454,454,439.93

Finding the Fourth Proportional to 788,873,653.71, 1,088,549,945.01 and 454,454,439.93

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Solution

The fourth proportional to 788,873,653.71, 1,088,549,945.01 and 454,454,439.93 is: 627,091,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,873,653.71 : 1,088,549,945.01 = 454,454,439.93 : x
  2. Step 2: Convert to fraction form
    788,873,653.71/1,088,549,945.01 = 454,454,439.93/x
  3. Step 3: Cross multiply
    788,873,653.71x = 1,088,549,945.01 × 454,454,439.93
  4. Step 4: Simplify right side
    788,873,653.71x = 494,696,355,595,351,872
  5. Step 5: Solve for x
    x = 494,696,355,595,351,872/788,873,653.71
  6. Step 6: Final answer
    x = 627,091,997.90

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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.