Home / 783,724,483.66-1,081,539,964.00-431,300,474.38

Finding the Fourth Proportional to 783,724,483.66, 1,081,539,964.00 and 431,300,474.38

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Solution

The fourth proportional to 783,724,483.66, 1,081,539,964.00 and 431,300,474.38 is: 595,194,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,724,483.66 : 1,081,539,964.00 = 431,300,474.38 : x
  2. Step 2: Convert to fraction form
    783,724,483.66/1,081,539,964.00 = 431,300,474.38/x
  3. Step 3: Cross multiply
    783,724,483.66x = 1,081,539,964.00 × 431,300,474.38
  4. Step 4: Simplify right side
    783,724,483.66x = 466,468,699,533,625,408
  5. Step 5: Solve for x
    x = 466,468,699,533,625,408/783,724,483.66
  6. Step 6: Final answer
    x = 595,194,751.80

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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.