Home / 1,262,247,143.80-1,741,867,644.56-705,334,767.16

Finding the Fourth Proportional to 1,262,247,143.80, 1,741,867,644.56 and 705,334,767.16

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Solution

The fourth proportional to 1,262,247,143.80, 1,741,867,644.56 and 705,334,767.16 is: 973,343,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,247,143.80 : 1,741,867,644.56 = 705,334,767.16 : x
  2. Step 2: Convert to fraction form
    1,262,247,143.80/1,741,867,644.56 = 705,334,767.16/x
  3. Step 3: Cross multiply
    1,262,247,143.80x = 1,741,867,644.56 × 705,334,767.16
  4. Step 4: Simplify right side
    1,262,247,143.80x = 1,228,599,809,499,265,024
  5. Step 5: Solve for x
    x = 1,228,599,809,499,265,024/1,262,247,143.80
  6. Step 6: Final answer
    x = 973,343,307.24

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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.