Home / 384,913,128.80-577,369,693.20-362,238,312.80

Finding the Fourth Proportional to 384,913,128.80, 577,369,693.20 and 362,238,312.80

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Solution

The fourth proportional to 384,913,128.80, 577,369,693.20 and 362,238,312.80 is: 543,357,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913,128.80 : 577,369,693.20 = 362,238,312.80 : x
  2. Step 2: Convert to fraction form
    384,913,128.80/577,369,693.20 = 362,238,312.80/x
  3. Step 3: Cross multiply
    384,913,128.80x = 577,369,693.20 × 362,238,312.80
  4. Step 4: Simplify right side
    384,913,128.80x = 209,145,423,526,621,664
  5. Step 5: Solve for x
    x = 209,145,423,526,621,664/384,913,128.80
  6. Step 6: Final answer
    x = 543,357,469.20

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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.