Home / 1,149,726,011.70-1,724,589,017.55-631,889,901.30

Finding the Fourth Proportional to 1,149,726,011.70, 1,724,589,017.55 and 631,889,901.30

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Solution

The fourth proportional to 1,149,726,011.70, 1,724,589,017.55 and 631,889,901.30 is: 947,834,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,726,011.70 : 1,724,589,017.55 = 631,889,901.30 : x
  2. Step 2: Convert to fraction form
    1,149,726,011.70/1,724,589,017.55 = 631,889,901.30/x
  3. Step 3: Cross multiply
    1,149,726,011.70x = 1,724,589,017.55 × 631,889,901.30
  4. Step 4: Simplify right side
    1,149,726,011.70x = 1,089,750,384,082,733,312
  5. Step 5: Solve for x
    x = 1,089,750,384,082,733,312/1,149,726,011.70
  6. Step 6: Final answer
    x = 947,834,851.95

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Double scale
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Similar ratio
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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.