Home / 1,152,314,962.59-1,728,475,101.06-664,218,290.55

Finding the Fourth Proportional to 1,152,314,962.59, 1,728,475,101.06 and 664,218,290.55

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Solution

The fourth proportional to 1,152,314,962.59, 1,728,475,101.06 and 664,218,290.55 is: 996,328,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,314,962.59 : 1,728,475,101.06 = 664,218,290.55 : x
  2. Step 2: Convert to fraction form
    1,152,314,962.59/1,728,475,101.06 = 664,218,290.55/x
  3. Step 3: Cross multiply
    1,152,314,962.59x = 1,728,475,101.06 × 664,218,290.55
  4. Step 4: Simplify right side
    1,152,314,962.59x = 1,148,084,776,884,311,552
  5. Step 5: Solve for x
    x = 1,148,084,776,884,311,552/1,152,314,962.59
  6. Step 6: Final answer
    x = 996,328,967.48

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Double scale
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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.