Home / 982,111,287.83-1,355,111,257.49-564,342,860.52

Finding the Fourth Proportional to 982,111,287.83, 1,355,111,257.49 and 564,342,860.52

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Solution

The fourth proportional to 982,111,287.83, 1,355,111,257.49 and 564,342,860.52 is: 778,676,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111,287.83 : 1,355,111,257.49 = 564,342,860.52 : x
  2. Step 2: Convert to fraction form
    982,111,287.83/1,355,111,257.49 = 564,342,860.52/x
  3. Step 3: Cross multiply
    982,111,287.83x = 1,355,111,257.49 × 564,342,860.52
  4. Step 4: Simplify right side
    982,111,287.83x = 764,747,363,371,939,072
  5. Step 5: Solve for x
    x = 764,747,363,371,939,072/982,111,287.83
  6. Step 6: Final answer
    x = 778,676,890.14

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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.