Home / 649,041,896.78-973,554,341.34-157,753,739.24

Finding the Fourth Proportional to 649,041,896.78, 973,554,341.34 and 157,753,739.24

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Solution

The fourth proportional to 649,041,896.78, 973,554,341.34 and 157,753,739.24 is: 236,628,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,041,896.78 : 973,554,341.34 = 157,753,739.24 : x
  2. Step 2: Convert to fraction form
    649,041,896.78/973,554,341.34 = 157,753,739.24/x
  3. Step 3: Cross multiply
    649,041,896.78x = 973,554,341.34 × 157,753,739.24
  4. Step 4: Simplify right side
    649,041,896.78x = 153,581,837,699,720,320
  5. Step 5: Solve for x
    x = 153,581,837,699,720,320/649,041,896.78
  6. Step 6: Final answer
    x = 236,628,541.95

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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.