Home / 57,158,440,588.24-78,878,713,406.16-31,783,367,109.22

Finding the Fourth Proportional to 57,158,440,588.24, 78,878,713,406.16 and 31,783,367,109.22

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Solution

The fourth proportional to 57,158,440,588.24, 78,878,713,406.16 and 31,783,367,109.22 is: 43,861,082,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158,440,588.24 : 78,878,713,406.16 = 31,783,367,109.22 : x
  2. Step 2: Convert to fraction form
    57,158,440,588.24/78,878,713,406.16 = 31,783,367,109.22/x
  3. Step 3: Cross multiply
    57,158,440,588.24x = 78,878,713,406.16 × 31,783,367,109.22
  4. Step 4: Simplify right side
    57,158,440,588.24x = 2,507,031,105,290,936,778,752
  5. Step 5: Solve for x
    x = 2,507,031,105,290,936,778,752/57,158,440,588.24
  6. Step 6: Final answer
    x = 43,861,082,973.75

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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.