Home / 712,051,457.18-1,068,197,776.95-245,586,227.18

Finding the Fourth Proportional to 712,051,457.18, 1,068,197,776.95 and 245,586,227.18

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Solution

The fourth proportional to 712,051,457.18, 1,068,197,776.95 and 245,586,227.18 is: 368,420,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,051,457.18 : 1,068,197,776.95 = 245,586,227.18 : x
  2. Step 2: Convert to fraction form
    712,051,457.18/1,068,197,776.95 = 245,586,227.18/x
  3. Step 3: Cross multiply
    712,051,457.18x = 1,068,197,776.95 × 245,586,227.18
  4. Step 4: Simplify right side
    712,051,457.18x = 262,334,661,923,213,696
  5. Step 5: Solve for x
    x = 262,334,661,923,213,696/712,051,457.18
  6. Step 6: Final answer
    x = 368,420,932.61

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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.