Home / 690,444,586.92-1,036,075,485.72-254,051,726.76

Finding the Fourth Proportional to 690,444,586.92, 1,036,075,485.72 and 254,051,726.76

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Solution

The fourth proportional to 690,444,586.92, 1,036,075,485.72 and 254,051,726.76 is: 381,227,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,444,586.92 : 1,036,075,485.72 = 254,051,726.76 : x
  2. Step 2: Convert to fraction form
    690,444,586.92/1,036,075,485.72 = 254,051,726.76/x
  3. Step 3: Cross multiply
    690,444,586.92x = 1,036,075,485.72 × 254,051,726.76
  4. Step 4: Simplify right side
    690,444,586.92x = 263,216,766,200,871,712
  5. Step 5: Solve for x
    x = 263,216,766,200,871,712/690,444,586.92
  6. Step 6: Final answer
    x = 381,227,938.04

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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.