Home / 7,288,731,430.65-10,058,399,298.32-3,947,153,244.57

Finding the Fourth Proportional to 7,288,731,430.65, 10,058,399,298.32 and 3,947,153,244.57

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Solution

The fourth proportional to 7,288,731,430.65, 10,058,399,298.32 and 3,947,153,244.57 is: 5,447,044,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288,731,430.65 : 10,058,399,298.32 = 3,947,153,244.57 : x
  2. Step 2: Convert to fraction form
    7,288,731,430.65/10,058,399,298.32 = 3,947,153,244.57/x
  3. Step 3: Cross multiply
    7,288,731,430.65x = 10,058,399,298.32 × 3,947,153,244.57
  4. Step 4: Simplify right side
    7,288,731,430.65x = 39,702,043,425,524,670,464
  5. Step 5: Solve for x
    x = 39,702,043,425,524,670,464/7,288,731,430.65
  6. Step 6: Final answer
    x = 5,447,044,359.27

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1.5x scale

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.