Home / 886,464,643.80-1,329,696,965.70-272,969,153.40

Finding the Fourth Proportional to 886,464,643.80, 1,329,696,965.70 and 272,969,153.40

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Solution

The fourth proportional to 886,464,643.80, 1,329,696,965.70 and 272,969,153.40 is: 409,453,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,643.80 : 1,329,696,965.70 = 272,969,153.40 : x
  2. Step 2: Convert to fraction form
    886,464,643.80/1,329,696,965.70 = 272,969,153.40/x
  3. Step 3: Cross multiply
    886,464,643.80x = 1,329,696,965.70 × 272,969,153.40
  4. Step 4: Simplify right side
    886,464,643.80x = 362,966,255,005,677,824
  5. Step 5: Solve for x
    x = 362,966,255,005,677,824/886,464,643.80
  6. Step 6: Final answer
    x = 409,453,730.10

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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.