Home / 883,124,435.63-1,218,768,928.20-506,796,885.65

Finding the Fourth Proportional to 883,124,435.63, 1,218,768,928.20 and 506,796,885.65

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Solution

The fourth proportional to 883,124,435.63, 1,218,768,928.20 and 506,796,885.65 is: 699,412,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,124,435.63 : 1,218,768,928.20 = 506,796,885.65 : x
  2. Step 2: Convert to fraction form
    883,124,435.63/1,218,768,928.20 = 506,796,885.65/x
  3. Step 3: Cross multiply
    883,124,435.63x = 1,218,768,928.20 × 506,796,885.65
  4. Step 4: Simplify right side
    883,124,435.63x = 617,668,297,141,795,328
  5. Step 5: Solve for x
    x = 617,668,297,141,795,328/883,124,435.63
  6. Step 6: Final answer
    x = 699,412,531.48

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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.