Home / 425,344,260.30-638,016,390.45-166,473,444.30

Finding the Fourth Proportional to 425,344,260.30, 638,016,390.45 and 166,473,444.30

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Solution

The fourth proportional to 425,344,260.30, 638,016,390.45 and 166,473,444.30 is: 249,710,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,344,260.30 : 638,016,390.45 = 166,473,444.30 : x
  2. Step 2: Convert to fraction form
    425,344,260.30/638,016,390.45 = 166,473,444.30/x
  3. Step 3: Cross multiply
    425,344,260.30x = 638,016,390.45 × 166,473,444.30
  4. Step 4: Simplify right side
    425,344,260.30x = 106,212,786,038,065,136
  5. Step 5: Solve for x
    x = 106,212,786,038,065,136/425,344,260.30
  6. Step 6: Final answer
    x = 249,710,166.45

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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.