Home / 1,155,468,100.10-1,594,411,455.36-646,858,664.06

Finding the Fourth Proportional to 1,155,468,100.10, 1,594,411,455.36 and 646,858,664.06

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Solution

The fourth proportional to 1,155,468,100.10, 1,594,411,455.36 and 646,858,664.06 is: 892,589,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,468,100.10 : 1,594,411,455.36 = 646,858,664.06 : x
  2. Step 2: Convert to fraction form
    1,155,468,100.10/1,594,411,455.36 = 646,858,664.06/x
  3. Step 3: Cross multiply
    1,155,468,100.10x = 1,594,411,455.36 × 646,858,664.06
  4. Step 4: Simplify right side
    1,155,468,100.10x = 1,031,358,863,976,129,792
  5. Step 5: Solve for x
    x = 1,031,358,863,976,129,792/1,155,468,100.10
  6. Step 6: Final answer
    x = 892,589,647.34

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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.