Home / 885,736,807.60-1,328,605,211.40-368,538,426.40

Finding the Fourth Proportional to 885,736,807.60, 1,328,605,211.40 and 368,538,426.40

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Solution

The fourth proportional to 885,736,807.60, 1,328,605,211.40 and 368,538,426.40 is: 552,807,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,807.60 : 1,328,605,211.40 = 368,538,426.40 : x
  2. Step 2: Convert to fraction form
    885,736,807.60/1,328,605,211.40 = 368,538,426.40/x
  3. Step 3: Cross multiply
    885,736,807.60x = 1,328,605,211.40 × 368,538,426.40
  4. Step 4: Simplify right side
    885,736,807.60x = 489,642,073,916,195,328
  5. Step 5: Solve for x
    x = 489,642,073,916,195,328/885,736,807.60
  6. Step 6: Final answer
    x = 552,807,639.60

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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.