Home / 1,108,330,042.74-1,529,494,470.84-625,623,597.15

Finding the Fourth Proportional to 1,108,330,042.74, 1,529,494,470.84 and 625,623,597.15

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Solution

The fourth proportional to 1,108,330,042.74, 1,529,494,470.84 and 625,623,597.15 is: 863,360,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,330,042.74 : 1,529,494,470.84 = 625,623,597.15 : x
  2. Step 2: Convert to fraction form
    1,108,330,042.74/1,529,494,470.84 = 625,623,597.15/x
  3. Step 3: Cross multiply
    1,108,330,042.74x = 1,529,494,470.84 × 625,623,597.15
  4. Step 4: Simplify right side
    1,108,330,042.74x = 956,887,832,667,956,480
  5. Step 5: Solve for x
    x = 956,887,832,667,956,480/1,108,330,042.74
  6. Step 6: Final answer
    x = 863,360,006.29

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Double scale
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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.