Home / 866,052,024.30-1,299,078,036.45-815,033,688.30

Finding the Fourth Proportional to 866,052,024.30, 1,299,078,036.45 and 815,033,688.30

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Solution

The fourth proportional to 866,052,024.30, 1,299,078,036.45 and 815,033,688.30 is: 1,222,550,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,052,024.30 : 1,299,078,036.45 = 815,033,688.30 : x
  2. Step 2: Convert to fraction form
    866,052,024.30/1,299,078,036.45 = 815,033,688.30/x
  3. Step 3: Cross multiply
    866,052,024.30x = 1,299,078,036.45 × 815,033,688.30
  4. Step 4: Simplify right side
    866,052,024.30x = 1,058,792,363,437,365,376
  5. Step 5: Solve for x
    x = 1,058,792,363,437,365,376/866,052,024.30
  6. Step 6: Final answer
    x = 1,222,550,532.45

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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.