Home / 945,290,912.76-1,303,288,871.51-775,118,168.62

Finding the Fourth Proportional to 945,290,912.76, 1,303,288,871.51 and 775,118,168.62

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Solution

The fourth proportional to 945,290,912.76, 1,303,288,871.51 and 775,118,168.62 is: 1,068,668,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,912.76 : 1,303,288,871.51 = 775,118,168.62 : x
  2. Step 2: Convert to fraction form
    945,290,912.76/1,303,288,871.51 = 775,118,168.62/x
  3. Step 3: Cross multiply
    945,290,912.76x = 1,303,288,871.51 × 775,118,168.62
  4. Step 4: Simplify right side
    945,290,912.76x = 1,010,202,883,266,337,280
  5. Step 5: Solve for x
    x = 1,010,202,883,266,337,280/945,290,912.76
  6. Step 6: Final answer
    x = 1,068,668,776.60

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Double scale
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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.