Home / 990,151,868.47-1,366,111,603.68-593,530,142.83

Finding the Fourth Proportional to 990,151,868.47, 1,366,111,603.68 and 593,530,142.83

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Solution

The fourth proportional to 990,151,868.47, 1,366,111,603.68 and 593,530,142.83 is: 818,892,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,151,868.47 : 1,366,111,603.68 = 593,530,142.83 : x
  2. Step 2: Convert to fraction form
    990,151,868.47/1,366,111,603.68 = 593,530,142.83/x
  3. Step 3: Cross multiply
    990,151,868.47x = 1,366,111,603.68 × 593,530,142.83
  4. Step 4: Simplify right side
    990,151,868.47x = 810,828,415,253,910,912
  5. Step 5: Solve for x
    x = 810,828,415,253,910,912/990,151,868.47
  6. Step 6: Final answer
    x = 818,892,981.04

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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.