Home / 825,984,055.60-1,238,976,083.40-578,744,580.40

Finding the Fourth Proportional to 825,984,055.60, 1,238,976,083.40 and 578,744,580.40

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Solution

The fourth proportional to 825,984,055.60, 1,238,976,083.40 and 578,744,580.40 is: 868,116,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,984,055.60 : 1,238,976,083.40 = 578,744,580.40 : x
  2. Step 2: Convert to fraction form
    825,984,055.60/1,238,976,083.40 = 578,744,580.40/x
  3. Step 3: Cross multiply
    825,984,055.60x = 1,238,976,083.40 × 578,744,580.40
  4. Step 4: Simplify right side
    825,984,055.60x = 717,050,693,512,968,448
  5. Step 5: Solve for x
    x = 717,050,693,512,968,448/825,984,055.60
  6. Step 6: Final answer
    x = 868,116,870.60

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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.