Home / 689,843,952.28-1,034,765,973.42-551,019,585.16

Finding the Fourth Proportional to 689,843,952.28, 1,034,765,973.42 and 551,019,585.16

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Solution

The fourth proportional to 689,843,952.28, 1,034,765,973.42 and 551,019,585.16 is: 826,529,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,843,952.28 : 1,034,765,973.42 = 551,019,585.16 : x
  2. Step 2: Convert to fraction form
    689,843,952.28/1,034,765,973.42 = 551,019,585.16/x
  3. Step 3: Cross multiply
    689,843,952.28x = 1,034,765,973.42 × 551,019,585.16
  4. Step 4: Simplify right side
    689,843,952.28x = 570,176,317,411,571,904
  5. Step 5: Solve for x
    x = 570,176,317,411,571,904/689,843,952.28
  6. Step 6: Final answer
    x = 826,529,413.68

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Double scale
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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.