Home / 517,148,870.14-775,579,779.69-143,570,934.46

Finding the Fourth Proportional to 517,148,870.14, 775,579,779.69 and 143,570,934.46

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Solution

The fourth proportional to 517,148,870.14, 775,579,779.69 and 143,570,934.46 is: 215,316,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,148,870.14 : 775,579,779.69 = 143,570,934.46 : x
  2. Step 2: Convert to fraction form
    517,148,870.14/775,579,779.69 = 143,570,934.46/x
  3. Step 3: Cross multiply
    517,148,870.14x = 775,579,779.69 × 143,570,934.46
  4. Step 4: Simplify right side
    517,148,870.14x = 111,350,713,718,374,240
  5. Step 5: Solve for x
    x = 111,350,713,718,374,240/517,148,870.14
  6. Step 6: Final answer
    x = 215,316,556.12

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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.