Home / 500,650,667.12-690,896,810.49-277,626,836.90

Finding the Fourth Proportional to 500,650,667.12, 690,896,810.49 and 277,626,836.90

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Solution

The fourth proportional to 500,650,667.12, 690,896,810.49 and 277,626,836.90 is: 383,124,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,650,667.12 : 690,896,810.49 = 277,626,836.90 : x
  2. Step 2: Convert to fraction form
    500,650,667.12/690,896,810.49 = 277,626,836.90/x
  3. Step 3: Cross multiply
    500,650,667.12x = 690,896,810.49 × 277,626,836.90
  4. Step 4: Simplify right side
    500,650,667.12x = 191,811,496,117,182,944
  5. Step 5: Solve for x
    x = 191,811,496,117,182,944/500,650,667.12
  6. Step 6: Final answer
    x = 383,124,419.31

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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.