Home / 915,536,601.80-1,373,304,902.70-528,553,075.40

Finding the Fourth Proportional to 915,536,601.80, 1,373,304,902.70 and 528,553,075.40

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Solution

The fourth proportional to 915,536,601.80, 1,373,304,902.70 and 528,553,075.40 is: 792,829,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,536,601.80 : 1,373,304,902.70 = 528,553,075.40 : x
  2. Step 2: Convert to fraction form
    915,536,601.80/1,373,304,902.70 = 528,553,075.40/x
  3. Step 3: Cross multiply
    915,536,601.80x = 1,373,304,902.70 × 528,553,075.40
  4. Step 4: Simplify right side
    915,536,601.80x = 725,864,529,783,982,720
  5. Step 5: Solve for x
    x = 725,864,529,783,982,720/915,536,601.80
  6. Step 6: Final answer
    x = 792,829,613.10

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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.