Home / 746,852,345.21-1,120,263,135.08-248,899,015.72

Finding the Fourth Proportional to 746,852,345.21, 1,120,263,135.08 and 248,899,015.72

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Solution

The fourth proportional to 746,852,345.21, 1,120,263,135.08 and 248,899,015.72 is: 373,343,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,852,345.21 : 1,120,263,135.08 = 248,899,015.72 : x
  2. Step 2: Convert to fraction form
    746,852,345.21/1,120,263,135.08 = 248,899,015.72/x
  3. Step 3: Cross multiply
    746,852,345.21x = 1,120,263,135.08 × 248,899,015.72
  4. Step 4: Simplify right side
    746,852,345.21x = 278,832,391,668,813,376
  5. Step 5: Solve for x
    x = 278,832,391,668,813,376/746,852,345.21
  6. Step 6: Final answer
    x = 373,343,397.07

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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.