Home / 1,487,098,840.46-2,230,175,009.53-490,934,390.54

Finding the Fourth Proportional to 1,487,098,840.46, 2,230,175,009.53 and 490,934,390.54

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Solution

The fourth proportional to 1,487,098,840.46, 2,230,175,009.53 and 490,934,390.54 is: 736,245,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,098,840.46 : 2,230,175,009.53 = 490,934,390.54 : x
  2. Step 2: Convert to fraction form
    1,487,098,840.46/2,230,175,009.53 = 490,934,390.54/x
  3. Step 3: Cross multiply
    1,487,098,840.46x = 2,230,175,009.53 × 490,934,390.54
  4. Step 4: Simplify right side
    1,487,098,840.46x = 1,094,869,609,101,149,440
  5. Step 5: Solve for x
    x = 1,094,869,609,101,149,440/1,487,098,840.46
  6. Step 6: Final answer
    x = 736,245,351.90

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Double scale
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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.