Home / 902,103,119.70-1,353,154,679.55-687,112,271.70

Finding the Fourth Proportional to 902,103,119.70, 1,353,154,679.55 and 687,112,271.70

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Solution

The fourth proportional to 902,103,119.70, 1,353,154,679.55 and 687,112,271.70 is: 1,030,668,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,103,119.70 : 1,353,154,679.55 = 687,112,271.70 : x
  2. Step 2: Convert to fraction form
    902,103,119.70/1,353,154,679.55 = 687,112,271.70/x
  3. Step 3: Cross multiply
    902,103,119.70x = 1,353,154,679.55 × 687,112,271.70
  4. Step 4: Simplify right side
    902,103,119.70x = 929,769,185,827,086,080
  5. Step 5: Solve for x
    x = 929,769,185,827,086,080/902,103,119.70
  6. Step 6: Final answer
    x = 1,030,668,407.55

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Double scale
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Similar ratio
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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.