Home / 740,923,718.30-1,111,487,778.30-430,177,679.18

Finding the Fourth Proportional to 740,923,718.30, 1,111,487,778.30 and 430,177,679.18

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Solution

The fourth proportional to 740,923,718.30, 1,111,487,778.30 and 430,177,679.18 is: 645,325,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,923,718.30 : 1,111,487,778.30 = 430,177,679.18 : x
  2. Step 2: Convert to fraction form
    740,923,718.30/1,111,487,778.30 = 430,177,679.18/x
  3. Step 3: Cross multiply
    740,923,718.30x = 1,111,487,778.30 × 430,177,679.18
  4. Step 4: Simplify right side
    740,923,718.30x = 478,137,232,900,470,912
  5. Step 5: Solve for x
    x = 478,137,232,900,470,912/740,923,718.30
  6. Step 6: Final answer
    x = 645,325,856.22

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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.