Home / 287,649,682,428.12-431,570,347,376.10-96,440,640,587.70

Finding the Fourth Proportional to 287,649,682,428.12, 431,570,347,376.10 and 96,440,640,587.70

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Solution

The fourth proportional to 287,649,682,428.12, 431,570,347,376.10 and 96,440,640,587.70 is: 144,693,087,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,649,682,428.12 : 431,570,347,376.10 = 96,440,640,587.70 : x
  2. Step 2: Convert to fraction form
    287,649,682,428.12/431,570,347,376.10 = 96,440,640,587.70/x
  3. Step 3: Cross multiply
    287,649,682,428.12x = 431,570,347,376.10 × 96,440,640,587.70
  4. Step 4: Simplify right side
    287,649,682,428.12x = 41,620,920,759,607,292,329,984
  5. Step 5: Solve for x
    x = 41,620,920,759,607,292,329,984/287,649,682,428.12
  6. Step 6: Final answer
    x = 144,693,087,815.27

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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.