Home / 885,855,830.40-1,328,385,614.40-340,416,086.40

Finding the Fourth Proportional to 885,855,830.40, 1,328,385,614.40 and 340,416,086.40

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Solution

The fourth proportional to 885,855,830.40, 1,328,385,614.40 and 340,416,086.40 is: 510,471,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,855,830.40 : 1,328,385,614.40 = 340,416,086.40 : x
  2. Step 2: Convert to fraction form
    885,855,830.40/1,328,385,614.40 = 340,416,086.40/x
  3. Step 3: Cross multiply
    885,855,830.40x = 1,328,385,614.40 × 340,416,086.40
  4. Step 4: Simplify right side
    885,855,830.40x = 452,203,832,084,107,456
  5. Step 5: Solve for x
    x = 452,203,832,084,107,456/885,855,830.40
  6. Step 6: Final answer
    x = 510,471,136.01

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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.