Home / 1,283,313,564.55-1,921,655,110.87-885,699,047.55

Finding the Fourth Proportional to 1,283,313,564.55, 1,921,655,110.87 and 885,699,047.55

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Solution

The fourth proportional to 1,283,313,564.55, 1,921,655,110.87 and 885,699,047.55 is: 1,326,260,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,313,564.55 : 1,921,655,110.87 = 885,699,047.55 : x
  2. Step 2: Convert to fraction form
    1,283,313,564.55/1,921,655,110.87 = 885,699,047.55/x
  3. Step 3: Cross multiply
    1,283,313,564.55x = 1,921,655,110.87 × 885,699,047.55
  4. Step 4: Simplify right side
    1,283,313,564.55x = 1,702,008,101,412,720,128
  5. Step 5: Solve for x
    x = 1,702,008,101,412,720,128/1,283,313,564.55
  6. Step 6: Final answer
    x = 1,326,260,509.07

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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.