Home / 1,521,280,106.96-2,101,335,855.28-1,258,025,493.20

Finding the Fourth Proportional to 1,521,280,106.96, 2,101,335,855.28 and 1,258,025,493.20

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Solution

The fourth proportional to 1,521,280,106.96, 2,101,335,855.28 and 1,258,025,493.20 is: 1,737,703,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,280,106.96 : 2,101,335,855.28 = 1,258,025,493.20 : x
  2. Step 2: Convert to fraction form
    1,521,280,106.96/2,101,335,855.28 = 1,258,025,493.20/x
  3. Step 3: Cross multiply
    1,521,280,106.96x = 2,101,335,855.28 × 1,258,025,493.20
  4. Step 4: Simplify right side
    1,521,280,106.96x = 2,643,534,075,711,799,296
  5. Step 5: Solve for x
    x = 2,643,534,075,711,799,296/1,521,280,106.96
  6. Step 6: Final answer
    x = 1,737,703,703.36

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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.