Home / 983,189,072.90-1,356,801,464.97-531,067,038.14

Finding the Fourth Proportional to 983,189,072.90, 1,356,801,464.97 and 531,067,038.14

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Solution

The fourth proportional to 983,189,072.90, 1,356,801,464.97 and 531,067,038.14 is: 732,872,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,189,072.90 : 1,356,801,464.97 = 531,067,038.14 : x
  2. Step 2: Convert to fraction form
    983,189,072.90/1,356,801,464.97 = 531,067,038.14/x
  3. Step 3: Cross multiply
    983,189,072.90x = 1,356,801,464.97 × 531,067,038.14
  4. Step 4: Simplify right side
    983,189,072.90x = 720,552,535,341,916,928
  5. Step 5: Solve for x
    x = 720,552,535,341,916,928/983,189,072.90
  6. Step 6: Final answer
    x = 732,872,806.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.