Home / 1,365,060,718.54-1,885,084,812.27-1,290,693,081.16

Finding the Fourth Proportional to 1,365,060,718.54, 1,885,084,812.27 and 1,290,693,081.16

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Solution

The fourth proportional to 1,365,060,718.54, 1,885,084,812.27 and 1,290,693,081.16 is: 1,782,386,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,060,718.54 : 1,885,084,812.27 = 1,290,693,081.16 : x
  2. Step 2: Convert to fraction form
    1,365,060,718.54/1,885,084,812.27 = 1,290,693,081.16/x
  3. Step 3: Cross multiply
    1,365,060,718.54x = 1,885,084,812.27 × 1,290,693,081.16
  4. Step 4: Simplify right side
    1,365,060,718.54x = 2,433,065,924,596,686,848
  5. Step 5: Solve for x
    x = 2,433,065,924,596,686,848/1,365,060,718.54
  6. Step 6: Final answer
    x = 1,782,386,593.91

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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.