Home / 1,145,177,738.39-1,720,352,445.17-679,144,828.98

Finding the Fourth Proportional to 1,145,177,738.39, 1,720,352,445.17 and 679,144,828.98

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Solution

The fourth proportional to 1,145,177,738.39, 1,720,352,445.17 and 679,144,828.98 is: 1,020,250,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,177,738.39 : 1,720,352,445.17 = 679,144,828.98 : x
  2. Step 2: Convert to fraction form
    1,145,177,738.39/1,720,352,445.17 = 679,144,828.98/x
  3. Step 3: Cross multiply
    1,145,177,738.39x = 1,720,352,445.17 × 679,144,828.98
  4. Step 4: Simplify right side
    1,145,177,738.39x = 1,168,368,467,156,908,800
  5. Step 5: Solve for x
    x = 1,168,368,467,156,908,800/1,145,177,738.39
  6. Step 6: Final answer
    x = 1,020,250,768.06

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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.