Home / 777,225,584.96-1,165,120,934.88-388,710,336.32

Finding the Fourth Proportional to 777,225,584.96, 1,165,120,934.88 and 388,710,336.32

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Solution

The fourth proportional to 777,225,584.96, 1,165,120,934.88 and 388,710,336.32 is: 582,706,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,225,584.96 : 1,165,120,934.88 = 388,710,336.32 : x
  2. Step 2: Convert to fraction form
    777,225,584.96/1,165,120,934.88 = 388,710,336.32/x
  3. Step 3: Cross multiply
    777,225,584.96x = 1,165,120,934.88 × 388,710,336.32
  4. Step 4: Simplify right side
    777,225,584.96x = 452,894,550,450,677,632
  5. Step 5: Solve for x
    x = 452,894,550,450,677,632/777,225,584.96
  6. Step 6: Final answer
    x = 582,706,693.16

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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.