Home / 1,011,421,192,546.90-1,517,220,976,945.60-285,358,876,681.15

Finding the Fourth Proportional to 1,011,421,192,546.90, 1,517,220,976,945.60 and 285,358,876,681.15

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Solution

The fourth proportional to 1,011,421,192,546.90, 1,517,220,976,945.60 and 285,358,876,681.15 is: 428,063,478,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,421,192,546.90 : 1,517,220,976,945.60 = 285,358,876,681.15 : x
  2. Step 2: Convert to fraction form
    1,011,421,192,546.90/1,517,220,976,945.60 = 285,358,876,681.15/x
  3. Step 3: Cross multiply
    1,011,421,192,546.90x = 1,517,220,976,945.60 × 285,358,876,681.15
  4. Step 4: Simplify right side
    1,011,421,192,546.90x = 432,952,473,658,273,453,572,096
  5. Step 5: Solve for x
    x = 432,952,473,658,273,453,572,096/1,011,421,192,546.90
  6. Step 6: Final answer
    x = 428,063,478,250.87

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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.