Home / 1,530,772,915.20-2,113,119,602.72-1,029,272,382.40

Finding the Fourth Proportional to 1,530,772,915.20, 2,113,119,602.72 and 1,029,272,382.40

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Solution

The fourth proportional to 1,530,772,915.20, 2,113,119,602.72 and 1,029,272,382.40 is: 1,420,834,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,772,915.20 : 2,113,119,602.72 = 1,029,272,382.40 : x
  2. Step 2: Convert to fraction form
    1,530,772,915.20/2,113,119,602.72 = 1,029,272,382.40/x
  3. Step 3: Cross multiply
    1,530,772,915.20x = 2,113,119,602.72 × 1,029,272,382.40
  4. Step 4: Simplify right side
    1,530,772,915.20x = 2,174,975,647,787,755,776
  5. Step 5: Solve for x
    x = 2,174,975,647,787,755,776/1,530,772,915.20
  6. Step 6: Final answer
    x = 1,420,834,943.05

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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.