Home / 788,914,242.18-1,088,437,276.98-454,380,065.82

Finding the Fourth Proportional to 788,914,242.18, 1,088,437,276.98 and 454,380,065.82

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Solution

The fourth proportional to 788,914,242.18, 1,088,437,276.98 and 454,380,065.82 is: 626,892,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,914,242.18 : 1,088,437,276.98 = 454,380,065.82 : x
  2. Step 2: Convert to fraction form
    788,914,242.18/1,088,437,276.98 = 454,380,065.82/x
  3. Step 3: Cross multiply
    788,914,242.18x = 1,088,437,276.98 × 454,380,065.82
  4. Step 4: Simplify right side
    788,914,242.18x = 494,564,201,555,113,984
  5. Step 5: Solve for x
    x = 494,564,201,555,113,984/788,914,242.18
  6. Step 6: Final answer
    x = 626,892,221.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.