Home / 880,248,875.40-1,320,373,313.10-421,083,851.40

Finding the Fourth Proportional to 880,248,875.40, 1,320,373,313.10 and 421,083,851.40

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Solution

The fourth proportional to 880,248,875.40, 1,320,373,313.10 and 421,083,851.40 is: 631,625,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,248,875.40 : 1,320,373,313.10 = 421,083,851.40 : x
  2. Step 2: Convert to fraction form
    880,248,875.40/1,320,373,313.10 = 421,083,851.40/x
  3. Step 3: Cross multiply
    880,248,875.40x = 1,320,373,313.10 × 421,083,851.40
  4. Step 4: Simplify right side
    880,248,875.40x = 555,987,879,965,926,016
  5. Step 5: Solve for x
    x = 555,987,879,965,926,016/880,248,875.40
  6. Step 6: Final answer
    x = 631,625,777.10

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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.