Home / 352,579,315.20-528,868,972.80-255,077,606.40

Finding the Fourth Proportional to 352,579,315.20, 528,868,972.80 and 255,077,606.40

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Solution

The fourth proportional to 352,579,315.20, 528,868,972.80 and 255,077,606.40 is: 382,616,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,579,315.20 : 528,868,972.80 = 255,077,606.40 : x
  2. Step 2: Convert to fraction form
    352,579,315.20/528,868,972.80 = 255,077,606.40/x
  3. Step 3: Cross multiply
    352,579,315.20x = 528,868,972.80 × 255,077,606.40
  4. Step 4: Simplify right side
    352,579,315.20x = 134,902,631,681,050,720
  5. Step 5: Solve for x
    x = 134,902,631,681,050,720/352,579,315.20
  6. Step 6: Final answer
    x = 382,616,409.60

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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.