Home / 189,566,572,762.88-261,601,807,288.52-103,925,699,718.34

Finding the Fourth Proportional to 189,566,572,762.88, 261,601,807,288.52 and 103,925,699,718.34

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Solution

The fourth proportional to 189,566,572,762.88, 261,601,807,288.52 and 103,925,699,718.34 is: 143,417,431,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,566,572,762.88 : 261,601,807,288.52 = 103,925,699,718.34 : x
  2. Step 2: Convert to fraction form
    189,566,572,762.88/261,601,807,288.52 = 103,925,699,718.34/x
  3. Step 3: Cross multiply
    189,566,572,762.88x = 261,601,807,288.52 × 103,925,699,718.34
  4. Step 4: Simplify right side
    189,566,572,762.88x = 27,187,150,870,041,776,357,376
  5. Step 5: Solve for x
    x = 27,187,150,870,041,776,357,376/189,566,572,762.88
  6. Step 6: Final answer
    x = 143,417,431,004.83

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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.