Home / 1,572,432,349.76-2,170,022,272.80-867,630,052.16

Finding the Fourth Proportional to 1,572,432,349.76, 2,170,022,272.80 and 867,630,052.16

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Solution

The fourth proportional to 1,572,432,349.76, 2,170,022,272.80 and 867,630,052.16 is: 1,197,365,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,432,349.76 : 2,170,022,272.80 = 867,630,052.16 : x
  2. Step 2: Convert to fraction form
    1,572,432,349.76/2,170,022,272.80 = 867,630,052.16/x
  3. Step 3: Cross multiply
    1,572,432,349.76x = 2,170,022,272.80 × 867,630,052.16
  4. Step 4: Simplify right side
    1,572,432,349.76x = 1,882,776,537,737,825,792
  5. Step 5: Solve for x
    x = 1,882,776,537,737,825,792/1,572,432,349.76
  6. Step 6: Final answer
    x = 1,197,365,685.10

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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.