Home / 1,988,021,534.90-2,743,478,004.71-1,095,928,663.46

Finding the Fourth Proportional to 1,988,021,534.90, 2,743,478,004.71 and 1,095,928,663.46

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Solution

The fourth proportional to 1,988,021,534.90, 2,743,478,004.71 and 1,095,928,663.46 is: 1,512,386,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,021,534.90 : 2,743,478,004.71 = 1,095,928,663.46 : x
  2. Step 2: Convert to fraction form
    1,988,021,534.90/2,743,478,004.71 = 1,095,928,663.46/x
  3. Step 3: Cross multiply
    1,988,021,534.90x = 2,743,478,004.71 × 1,095,928,663.46
  4. Step 4: Simplify right side
    1,988,021,534.90x = 3,006,656,182,928,258,048
  5. Step 5: Solve for x
    x = 3,006,656,182,928,258,048/1,988,021,534.90
  6. Step 6: Final answer
    x = 1,512,386,123.66

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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.