Home / 1,109,911,088.80-1,531,771,361.28-615,029,030.56

Finding the Fourth Proportional to 1,109,911,088.80, 1,531,771,361.28 and 615,029,030.56

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Solution

The fourth proportional to 1,109,911,088.80, 1,531,771,361.28 and 615,029,030.56 is: 848,792,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,911,088.80 : 1,531,771,361.28 = 615,029,030.56 : x
  2. Step 2: Convert to fraction form
    1,109,911,088.80/1,531,771,361.28 = 615,029,030.56/x
  3. Step 3: Cross multiply
    1,109,911,088.80x = 1,531,771,361.28 × 615,029,030.56
  4. Step 4: Simplify right side
    1,109,911,088.80x = 942,083,855,367,609,856
  5. Step 5: Solve for x
    x = 942,083,855,367,609,856/1,109,911,088.80
  6. Step 6: Final answer
    x = 848,792,182.43

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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.