Home / 788,830,036.10-1,180,977,572.55-482,720,020.10

Finding the Fourth Proportional to 788,830,036.10, 1,180,977,572.55 and 482,720,020.10

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Solution

The fourth proportional to 788,830,036.10, 1,180,977,572.55 and 482,720,020.10 is: 722,692,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,830,036.10 : 1,180,977,572.55 = 482,720,020.10 : x
  2. Step 2: Convert to fraction form
    788,830,036.10/1,180,977,572.55 = 482,720,020.10/x
  3. Step 3: Cross multiply
    788,830,036.10x = 1,180,977,572.55 × 482,720,020.10
  4. Step 4: Simplify right side
    788,830,036.10x = 570,081,517,558,985,216
  5. Step 5: Solve for x
    x = 570,081,517,558,985,216/788,830,036.10
  6. Step 6: Final answer
    x = 722,692,457.78

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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.