Home / 590,438,640.39-885,315,315.56-279,543,646.32

Finding the Fourth Proportional to 590,438,640.39, 885,315,315.56 and 279,543,646.32

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Solution

The fourth proportional to 590,438,640.39, 885,315,315.56 and 279,543,646.32 is: 419,153,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438,640.39 : 885,315,315.56 = 279,543,646.32 : x
  2. Step 2: Convert to fraction form
    590,438,640.39/885,315,315.56 = 279,543,646.32/x
  3. Step 3: Cross multiply
    590,438,640.39x = 885,315,315.56 × 279,543,646.32
  4. Step 4: Simplify right side
    590,438,640.39x = 247,484,271,453,186,080
  5. Step 5: Solve for x
    x = 247,484,271,453,186,080/590,438,640.39
  6. Step 6: Final answer
    x = 419,153,243.92

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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.