Home / 291,957,126,526.86-438,061,540,626.69-157,624,945,127.28

Finding the Fourth Proportional to 291,957,126,526.86, 438,061,540,626.69 and 157,624,945,127.28

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Solution

The fourth proportional to 291,957,126,526.86, 438,061,540,626.69 and 157,624,945,127.28 is: 236,505,363,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,957,126,526.86 : 438,061,540,626.69 = 157,624,945,127.28 : x
  2. Step 2: Convert to fraction form
    291,957,126,526.86/438,061,540,626.69 = 157,624,945,127.28/x
  3. Step 3: Cross multiply
    291,957,126,526.86x = 438,061,540,626.69 × 157,624,945,127.28
  4. Step 4: Simplify right side
    291,957,126,526.86x = 69,049,426,303,653,750,243,328
  5. Step 5: Solve for x
    x = 69,049,426,303,653,750,243,328/291,957,126,526.86
  6. Step 6: Final answer
    x = 236,505,363,390.41

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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.