Home / 476,962,724.61-658,111,263.75-278,685,870.57

Finding the Fourth Proportional to 476,962,724.61, 658,111,263.75 and 278,685,870.57

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Solution

The fourth proportional to 476,962,724.61, 658,111,263.75 and 278,685,870.57 is: 384,529,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,962,724.61 : 658,111,263.75 = 278,685,870.57 : x
  2. Step 2: Convert to fraction form
    476,962,724.61/658,111,263.75 = 278,685,870.57/x
  3. Step 3: Cross multiply
    476,962,724.61x = 658,111,263.75 × 278,685,870.57
  4. Step 4: Simplify right side
    476,962,724.61x = 183,406,310,470,091,616
  5. Step 5: Solve for x
    x = 183,406,310,470,091,616/476,962,724.61
  6. Step 6: Final answer
    x = 384,529,651.91

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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.