Home / 1,542,044,718.40-2,313,286,706.98-478,559,449.80

Finding the Fourth Proportional to 1,542,044,718.40, 2,313,286,706.98 and 478,559,449.80

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Solution

The fourth proportional to 1,542,044,718.40, 2,313,286,706.98 and 478,559,449.80 is: 717,907,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,044,718.40 : 2,313,286,706.98 = 478,559,449.80 : x
  2. Step 2: Convert to fraction form
    1,542,044,718.40/2,313,286,706.98 = 478,559,449.80/x
  3. Step 3: Cross multiply
    1,542,044,718.40x = 2,313,286,706.98 × 478,559,449.80
  4. Step 4: Simplify right side
    1,542,044,718.40x = 1,107,045,213,722,002,688
  5. Step 5: Solve for x
    x = 1,107,045,213,722,002,688/1,542,044,718.40
  6. Step 6: Final answer
    x = 717,907,334.67

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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.