Home / 985,825,862.64-1,360,476,341.04-562,508,443.68

Finding the Fourth Proportional to 985,825,862.64, 1,360,476,341.04 and 562,508,443.68

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Solution

The fourth proportional to 985,825,862.64, 1,360,476,341.04 and 562,508,443.68 is: 776,282,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,825,862.64 : 1,360,476,341.04 = 562,508,443.68 : x
  2. Step 2: Convert to fraction form
    985,825,862.64/1,360,476,341.04 = 562,508,443.68/x
  3. Step 3: Cross multiply
    985,825,862.64x = 1,360,476,341.04 × 562,508,443.68
  4. Step 4: Simplify right side
    985,825,862.64x = 765,279,429,261,871,232
  5. Step 5: Solve for x
    x = 765,279,429,261,871,232/985,825,862.64
  6. Step 6: Final answer
    x = 776,282,564.97

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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.