Home / 487,505,275.70-731,313,403.23-176,759,232.53

Finding the Fourth Proportional to 487,505,275.70, 731,313,403.23 and 176,759,232.53

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Solution

The fourth proportional to 487,505,275.70, 731,313,403.23 and 176,759,232.53 is: 265,158,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,505,275.70 : 731,313,403.23 = 176,759,232.53 : x
  2. Step 2: Convert to fraction form
    487,505,275.70/731,313,403.23 = 176,759,232.53/x
  3. Step 3: Cross multiply
    487,505,275.70x = 731,313,403.23 × 176,759,232.53
  4. Step 4: Simplify right side
    487,505,275.70x = 129,266,395,893,837,232
  5. Step 5: Solve for x
    x = 129,266,395,893,837,232/487,505,275.70
  6. Step 6: Final answer
    x = 265,158,968.19

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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.