Home / 1,262,247,139.80-1,741,867,639.05-705,334,763.16

Finding the Fourth Proportional to 1,262,247,139.80, 1,741,867,639.05 and 705,334,763.16

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Solution

The fourth proportional to 1,262,247,139.80, 1,741,867,639.05 and 705,334,763.16 is: 973,343,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,247,139.80 : 1,741,867,639.05 = 705,334,763.16 : x
  2. Step 2: Convert to fraction form
    1,262,247,139.80/1,741,867,639.05 = 705,334,763.16/x
  3. Step 3: Cross multiply
    1,262,247,139.80x = 1,741,867,639.05 × 705,334,763.16
  4. Step 4: Simplify right side
    1,262,247,139.80x = 1,228,599,798,645,400,064
  5. Step 5: Solve for x
    x = 1,228,599,798,645,400,064/1,262,247,139.80
  6. Step 6: Final answer
    x = 973,343,301.72

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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.