Home / 519,525,646.74-716,945,165.96-281,370,842.10

Finding the Fourth Proportional to 519,525,646.74, 716,945,165.96 and 281,370,842.10

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Solution

The fourth proportional to 519,525,646.74, 716,945,165.96 and 281,370,842.10 is: 388,291,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,525,646.74 : 716,945,165.96 = 281,370,842.10 : x
  2. Step 2: Convert to fraction form
    519,525,646.74/716,945,165.96 = 281,370,842.10/x
  3. Step 3: Cross multiply
    519,525,646.74x = 716,945,165.96 × 281,370,842.10
  4. Step 4: Simplify right side
    519,525,646.74x = 201,727,465,085,689,472
  5. Step 5: Solve for x
    x = 201,727,465,085,689,472/519,525,646.74
  6. Step 6: Final answer
    x = 388,291,639.41

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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.