Home / 1,119,630,873.28-1,545,397,921.60-649,883,532.16

Finding the Fourth Proportional to 1,119,630,873.28, 1,545,397,921.60 and 649,883,532.16

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Solution

The fourth proportional to 1,119,630,873.28, 1,545,397,921.60 and 649,883,532.16 is: 897,017,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,630,873.28 : 1,545,397,921.60 = 649,883,532.16 : x
  2. Step 2: Convert to fraction form
    1,119,630,873.28/1,545,397,921.60 = 649,883,532.16/x
  3. Step 3: Cross multiply
    1,119,630,873.28x = 1,545,397,921.60 × 649,883,532.16
  4. Step 4: Simplify right side
    1,119,630,873.28x = 1,004,328,659,882,130,688
  5. Step 5: Solve for x
    x = 1,004,328,659,882,130,688/1,119,630,873.28
  6. Step 6: Final answer
    x = 897,017,654.52

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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.