Home / 513,187,038.58-708,203,376.04-278,238,153.46

Finding the Fourth Proportional to 513,187,038.58, 708,203,376.04 and 278,238,153.46

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Solution

The fourth proportional to 513,187,038.58, 708,203,376.04 and 278,238,153.46 is: 383,971,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,187,038.58 : 708,203,376.04 = 278,238,153.46 : x
  2. Step 2: Convert to fraction form
    513,187,038.58/708,203,376.04 = 278,238,153.46/x
  3. Step 3: Cross multiply
    513,187,038.58x = 708,203,376.04 × 278,238,153.46
  4. Step 4: Simplify right side
    513,187,038.58x = 197,049,199,623,507,584
  5. Step 5: Solve for x
    x = 197,049,199,623,507,584/513,187,038.58
  6. Step 6: Final answer
    x = 383,971,505.14

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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.