Home / 812,631,096,750.90-1,218,141,488,259.50-381,596,587,323.06

Finding the Fourth Proportional to 812,631,096,750.90, 1,218,141,488,259.50 and 381,596,587,323.06

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Solution

The fourth proportional to 812,631,096,750.90, 1,218,141,488,259.50 and 381,596,587,323.06 is: 572,016,794,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,631,096,750.90 : 1,218,141,488,259.50 = 381,596,587,323.06 : x
  2. Step 2: Convert to fraction form
    812,631,096,750.90/1,218,141,488,259.50 = 381,596,587,323.06/x
  3. Step 3: Cross multiply
    812,631,096,750.90x = 1,218,141,488,259.50 × 381,596,587,323.06
  4. Step 4: Simplify right side
    812,631,096,750.90x = 464,838,634,796,458,551,803,904
  5. Step 5: Solve for x
    x = 464,838,634,796,458,551,803,904/812,631,096,750.90
  6. Step 6: Final answer
    x = 572,016,794,157.89

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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.