Home / 1,687,407,452.98-2,328,621,475.18-1,009,224,392.20

Finding the Fourth Proportional to 1,687,407,452.98, 2,328,621,475.18 and 1,009,224,392.20

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Solution

The fourth proportional to 1,687,407,452.98, 2,328,621,475.18 and 1,009,224,392.20 is: 1,392,729,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,407,452.98 : 2,328,621,475.18 = 1,009,224,392.20 : x
  2. Step 2: Convert to fraction form
    1,687,407,452.98/2,328,621,475.18 = 1,009,224,392.20/x
  3. Step 3: Cross multiply
    1,687,407,452.98x = 2,328,621,475.18 × 1,009,224,392.20
  4. Step 4: Simplify right side
    1,687,407,452.98x = 2,350,101,592,952,402,944
  5. Step 5: Solve for x
    x = 2,350,101,592,952,402,944/1,687,407,452.98
  6. Step 6: Final answer
    x = 1,392,729,176.82

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Double scale
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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.