Home / 1,305,104,728.86-1,801,092,045.87-710,360,466.84

Finding the Fourth Proportional to 1,305,104,728.86, 1,801,092,045.87 and 710,360,466.84

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Solution

The fourth proportional to 1,305,104,728.86, 1,801,092,045.87 and 710,360,466.84 is: 980,323,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,104,728.86 : 1,801,092,045.87 = 710,360,466.84 : x
  2. Step 2: Convert to fraction form
    1,305,104,728.86/1,801,092,045.87 = 710,360,466.84/x
  3. Step 3: Cross multiply
    1,305,104,728.86x = 1,801,092,045.87 × 710,360,466.84
  4. Step 4: Simplify right side
    1,305,104,728.86x = 1,279,424,586,526,023,936
  5. Step 5: Solve for x
    x = 1,279,424,586,526,023,936/1,305,104,728.86
  6. Step 6: Final answer
    x = 980,323,309.11

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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.