Home / 539,136,016.90-808,704,025.35-357,588,189.70

Finding the Fourth Proportional to 539,136,016.90, 808,704,025.35 and 357,588,189.70

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Solution

The fourth proportional to 539,136,016.90, 808,704,025.35 and 357,588,189.70 is: 536,382,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,016.90 : 808,704,025.35 = 357,588,189.70 : x
  2. Step 2: Convert to fraction form
    539,136,016.90/808,704,025.35 = 357,588,189.70/x
  3. Step 3: Cross multiply
    539,136,016.90x = 808,704,025.35 × 357,588,189.70
  4. Step 4: Simplify right side
    539,136,016.90x = 289,183,008,428,009,408
  5. Step 5: Solve for x
    x = 289,183,008,428,009,408/539,136,016.90
  6. Step 6: Final answer
    x = 536,382,284.55

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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.