Home / 1,200,871,868.64-1,656,348,866.16-1,102,071,664.16

Finding the Fourth Proportional to 1,200,871,868.64, 1,656,348,866.16 and 1,102,071,664.16

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Solution

The fourth proportional to 1,200,871,868.64, 1,656,348,866.16 and 1,102,071,664.16 is: 1,520,074,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,871,868.64 : 1,656,348,866.16 = 1,102,071,664.16 : x
  2. Step 2: Convert to fraction form
    1,200,871,868.64/1,656,348,866.16 = 1,102,071,664.16/x
  3. Step 3: Cross multiply
    1,200,871,868.64x = 1,656,348,866.16 × 1,102,071,664.16
  4. Step 4: Simplify right side
    1,200,871,868.64x = 1,825,415,151,358,480,640
  5. Step 5: Solve for x
    x = 1,825,415,151,358,480,640/1,200,871,868.64
  6. Step 6: Final answer
    x = 1,520,074,871.46

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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.