Home / 539,237,899.35-808,902,902.57-189,453,582.20

Finding the Fourth Proportional to 539,237,899.35, 808,902,902.57 and 189,453,582.20

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Solution

The fourth proportional to 539,237,899.35, 808,902,902.57 and 189,453,582.20 is: 284,196,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,237,899.35 : 808,902,902.57 = 189,453,582.20 : x
  2. Step 2: Convert to fraction form
    539,237,899.35/808,902,902.57 = 189,453,582.20/x
  3. Step 3: Cross multiply
    539,237,899.35x = 808,902,902.57 × 189,453,582.20
  4. Step 4: Simplify right side
    539,237,899.35x = 153,249,552,538,872,320
  5. Step 5: Solve for x
    x = 153,249,552,538,872,320/539,237,899.35
  6. Step 6: Final answer
    x = 284,196,553.55

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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.