Home / 1,098,569,719.99-1,515,502,412.89-800,573,026.87

Finding the Fourth Proportional to 1,098,569,719.99, 1,515,502,412.89 and 800,573,026.87

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Solution

The fourth proportional to 1,098,569,719.99, 1,515,502,412.89 and 800,573,026.87 is: 1,104,409,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,569,719.99 : 1,515,502,412.89 = 800,573,026.87 : x
  2. Step 2: Convert to fraction form
    1,098,569,719.99/1,515,502,412.89 = 800,573,026.87/x
  3. Step 3: Cross multiply
    1,098,569,719.99x = 1,515,502,412.89 × 800,573,026.87
  4. Step 4: Simplify right side
    1,098,569,719.99x = 1,213,270,353,916,135,936
  5. Step 5: Solve for x
    x = 1,213,270,353,916,135,936/1,098,569,719.99
  6. Step 6: Final answer
    x = 1,104,409,061.93

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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.