Home / 2,315,929,801.95-3,196,007,807.72-1,258,657,828.74

Finding the Fourth Proportional to 2,315,929,801.95, 3,196,007,807.72 and 1,258,657,828.74

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Solution

The fourth proportional to 2,315,929,801.95, 3,196,007,807.72 and 1,258,657,828.74 is: 1,736,961,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,929,801.95 : 3,196,007,807.72 = 1,258,657,828.74 : x
  2. Step 2: Convert to fraction form
    2,315,929,801.95/3,196,007,807.72 = 1,258,657,828.74/x
  3. Step 3: Cross multiply
    2,315,929,801.95x = 3,196,007,807.72 × 1,258,657,828.74
  4. Step 4: Simplify right side
    2,315,929,801.95x = 4,022,680,247,894,649,344
  5. Step 5: Solve for x
    x = 4,022,680,247,894,649,344/2,315,929,801.95
  6. Step 6: Final answer
    x = 1,736,961,217.26

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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.