Home / 491,191,702.16-677,841,039.57-268,173,376.91

Finding the Fourth Proportional to 491,191,702.16, 677,841,039.57 and 268,173,376.91

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Solution

The fourth proportional to 491,191,702.16, 677,841,039.57 and 268,173,376.91 is: 370,077,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,191,702.16 : 677,841,039.57 = 268,173,376.91 : x
  2. Step 2: Convert to fraction form
    491,191,702.16/677,841,039.57 = 268,173,376.91/x
  3. Step 3: Cross multiply
    491,191,702.16x = 677,841,039.57 × 268,173,376.91
  4. Step 4: Simplify right side
    491,191,702.16x = 181,778,920,586,282,656
  5. Step 5: Solve for x
    x = 181,778,920,586,282,656/491,191,702.16
  6. Step 6: Final answer
    x = 370,077,344.11

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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.