Home / 517,321,518.96-775,974,969.48-240,818,081.16

Finding the Fourth Proportional to 517,321,518.96, 775,974,969.48 and 240,818,081.16

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Solution

The fourth proportional to 517,321,518.96, 775,974,969.48 and 240,818,081.16 is: 361,223,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,321,518.96 : 775,974,969.48 = 240,818,081.16 : x
  2. Step 2: Convert to fraction form
    517,321,518.96/775,974,969.48 = 240,818,081.16/x
  3. Step 3: Cross multiply
    517,321,518.96x = 775,974,969.48 × 240,818,081.16
  4. Step 4: Simplify right side
    517,321,518.96x = 186,868,803,178,363,168
  5. Step 5: Solve for x
    x = 186,868,803,178,363,168/517,321,518.96
  6. Step 6: Final answer
    x = 361,223,719.35

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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.