Home / 668,244,932.33-922,347,524.57-456,637,415.69

Finding the Fourth Proportional to 668,244,932.33, 922,347,524.57 and 456,637,415.69

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Solution

The fourth proportional to 668,244,932.33, 922,347,524.57 and 456,637,415.69 is: 630,275,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,244,932.33 : 922,347,524.57 = 456,637,415.69 : x
  2. Step 2: Convert to fraction form
    668,244,932.33/922,347,524.57 = 456,637,415.69/x
  3. Step 3: Cross multiply
    668,244,932.33x = 922,347,524.57 × 456,637,415.69
  4. Step 4: Simplify right side
    668,244,932.33x = 421,178,389,980,818,688
  5. Step 5: Solve for x
    x = 421,178,389,980,818,688/668,244,932.33
  6. Step 6: Final answer
    x = 630,275,471.77

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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.