Home / 788,828,578.10-1,180,975,385.55-482,718,562.10

Finding the Fourth Proportional to 788,828,578.10, 1,180,975,385.55 and 482,718,562.10

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Solution

The fourth proportional to 788,828,578.10, 1,180,975,385.55 and 482,718,562.10 is: 722,690,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,828,578.10 : 1,180,975,385.55 = 482,718,562.10 : x
  2. Step 2: Convert to fraction form
    788,828,578.10/1,180,975,385.55 = 482,718,562.10/x
  3. Step 3: Cross multiply
    788,828,578.10x = 1,180,975,385.55 × 482,718,562.10
  4. Step 4: Simplify right side
    788,828,578.10x = 570,078,739,988,189,120
  5. Step 5: Solve for x
    x = 570,078,739,988,189,120/788,828,578.10
  6. Step 6: Final answer
    x = 722,690,272.41

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1.5x scale

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.