Home / 948,500,487.62-1,308,902,560.34-525,133,017.62

Finding the Fourth Proportional to 948,500,487.62, 1,308,902,560.34 and 525,133,017.62

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Solution

The fourth proportional to 948,500,487.62, 1,308,902,560.34 and 525,133,017.62 is: 724,667,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,500,487.62 : 1,308,902,560.34 = 525,133,017.62 : x
  2. Step 2: Convert to fraction form
    948,500,487.62/1,308,902,560.34 = 525,133,017.62/x
  3. Step 3: Cross multiply
    948,500,487.62x = 1,308,902,560.34 × 525,133,017.62
  4. Step 4: Simplify right side
    948,500,487.62x = 687,347,951,281,888,256
  5. Step 5: Solve for x
    x = 687,347,951,281,888,256/948,500,487.62
  6. Step 6: Final answer
    x = 724,667,999.91

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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.