Home / 1,106,632,648.80-1,660,586,702.40-417,034,807.20

Finding the Fourth Proportional to 1,106,632,648.80, 1,660,586,702.40 and 417,034,807.20

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Solution

The fourth proportional to 1,106,632,648.80, 1,660,586,702.40 and 417,034,807.20 is: 625,792,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,632,648.80 : 1,660,586,702.40 = 417,034,807.20 : x
  2. Step 2: Convert to fraction form
    1,106,632,648.80/1,660,586,702.40 = 417,034,807.20/x
  3. Step 3: Cross multiply
    1,106,632,648.80x = 1,660,586,702.40 × 417,034,807.20
  4. Step 4: Simplify right side
    1,106,632,648.80x = 692,522,455,274,267,776
  5. Step 5: Solve for x
    x = 692,522,455,274,267,776/1,106,632,648.80
  6. Step 6: Final answer
    x = 625,792,539.22

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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.