Home / 1,145,127,225.80-1,718,586,633.90-531,787,449.80

Finding the Fourth Proportional to 1,145,127,225.80, 1,718,586,633.90 and 531,787,449.80

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Solution

The fourth proportional to 1,145,127,225.80, 1,718,586,633.90 and 531,787,449.80 is: 798,097,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,127,225.80 : 1,718,586,633.90 = 531,787,449.80 : x
  2. Step 2: Convert to fraction form
    1,145,127,225.80/1,718,586,633.90 = 531,787,449.80/x
  3. Step 3: Cross multiply
    1,145,127,225.80x = 1,718,586,633.90 × 531,787,449.80
  4. Step 4: Simplify right side
    1,145,127,225.80x = 913,922,803,302,047,360
  5. Step 5: Solve for x
    x = 913,922,803,302,047,360/1,145,127,225.80
  6. Step 6: Final answer
    x = 798,097,174.45

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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.