Home / 880,248,875.90-1,320,373,313.85-421,083,851.90

Finding the Fourth Proportional to 880,248,875.90, 1,320,373,313.85 and 421,083,851.90

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Solution

The fourth proportional to 880,248,875.90, 1,320,373,313.85 and 421,083,851.90 is: 631,625,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,248,875.90 : 1,320,373,313.85 = 421,083,851.90 : x
  2. Step 2: Convert to fraction form
    880,248,875.90/1,320,373,313.85 = 421,083,851.90/x
  3. Step 3: Cross multiply
    880,248,875.90x = 1,320,373,313.85 × 421,083,851.90
  4. Step 4: Simplify right side
    880,248,875.90x = 555,987,880,941,925,568
  5. Step 5: Solve for x
    x = 555,987,880,941,925,568/880,248,875.90
  6. Step 6: Final answer
    x = 631,625,777.85

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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.