Home / 1,570,058,919.18-2,166,695,541.27-865,236,155.58

Finding the Fourth Proportional to 1,570,058,919.18, 2,166,695,541.27 and 865,236,155.58

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Solution

The fourth proportional to 1,570,058,919.18, 2,166,695,541.27 and 865,236,155.58 is: 1,194,033,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,058,919.18 : 2,166,695,541.27 = 865,236,155.58 : x
  2. Step 2: Convert to fraction form
    1,570,058,919.18/2,166,695,541.27 = 865,236,155.58/x
  3. Step 3: Cross multiply
    1,570,058,919.18x = 2,166,695,541.27 × 865,236,155.58
  4. Step 4: Simplify right side
    1,570,058,919.18x = 1,874,703,320,440,782,080
  5. Step 5: Solve for x
    x = 1,874,703,320,440,782,080/1,570,058,919.18
  6. Step 6: Final answer
    x = 1,194,033,738.19

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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.