Home / 384,912,384.60-577,368,576.90-357,702,605.40

Finding the Fourth Proportional to 384,912,384.60, 577,368,576.90 and 357,702,605.40

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Solution

The fourth proportional to 384,912,384.60, 577,368,576.90 and 357,702,605.40 is: 536,553,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,384.60 : 577,368,576.90 = 357,702,605.40 : x
  2. Step 2: Convert to fraction form
    384,912,384.60/577,368,576.90 = 357,702,605.40/x
  3. Step 3: Cross multiply
    384,912,384.60x = 577,368,576.90 × 357,702,605.40
  4. Step 4: Simplify right side
    384,912,384.60x = 206,526,244,233,220,224
  5. Step 5: Solve for x
    x = 206,526,244,233,220,224/384,912,384.60
  6. Step 6: Final answer
    x = 536,553,908.10

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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.