Home / 1,738,241,387.40-2,607,362,081.10-819,911,339.40

Finding the Fourth Proportional to 1,738,241,387.40, 2,607,362,081.10 and 819,911,339.40

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Solution

The fourth proportional to 1,738,241,387.40, 2,607,362,081.10 and 819,911,339.40 is: 1,229,867,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,241,387.40 : 2,607,362,081.10 = 819,911,339.40 : x
  2. Step 2: Convert to fraction form
    1,738,241,387.40/2,607,362,081.10 = 819,911,339.40/x
  3. Step 3: Cross multiply
    1,738,241,387.40x = 2,607,362,081.10 × 819,911,339.40
  4. Step 4: Simplify right side
    1,738,241,387.40x = 2,137,805,736,215,472,384
  5. Step 5: Solve for x
    x = 2,137,805,736,215,472,384/1,738,241,387.40
  6. Step 6: Final answer
    x = 1,229,867,009.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.