Home / 921,989,434.01-1,382,986,512.97-376,730,968.01

Finding the Fourth Proportional to 921,989,434.01, 1,382,986,512.97 and 376,730,968.01

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Solution

The fourth proportional to 921,989,434.01, 1,382,986,512.97 and 376,730,968.01 is: 565,097,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,989,434.01 : 1,382,986,512.97 = 376,730,968.01 : x
  2. Step 2: Convert to fraction form
    921,989,434.01/1,382,986,512.97 = 376,730,968.01/x
  3. Step 3: Cross multiply
    921,989,434.01x = 1,382,986,512.97 × 376,730,968.01
  4. Step 4: Simplify right side
    921,989,434.01x = 521,013,847,768,105,728
  5. Step 5: Solve for x
    x = 521,013,847,768,105,728/921,989,434.01
  6. Step 6: Final answer
    x = 565,097,417.12

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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.