Home / 696,851,152.65-961,678,191.33-379,322,981.37

Finding the Fourth Proportional to 696,851,152.65, 961,678,191.33 and 379,322,981.37

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Solution

The fourth proportional to 696,851,152.65, 961,678,191.33 and 379,322,981.37 is: 523,478,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,851,152.65 : 961,678,191.33 = 379,322,981.37 : x
  2. Step 2: Convert to fraction form
    696,851,152.65/961,678,191.33 = 379,322,981.37/x
  3. Step 3: Cross multiply
    696,851,152.65x = 961,678,191.33 × 379,322,981.37
  4. Step 4: Simplify right side
    696,851,152.65x = 364,786,638,653,804,928
  5. Step 5: Solve for x
    x = 364,786,638,653,804,928/696,851,152.65
  6. Step 6: Final answer
    x = 523,478,561.05

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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.