Home / 307,065,513.96-423,703,057.76-174,889,660.25

Finding the Fourth Proportional to 307,065,513.96, 423,703,057.76 and 174,889,660.25

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Solution

The fourth proportional to 307,065,513.96, 423,703,057.76 and 174,889,660.25 is: 241,320,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,065,513.96 : 423,703,057.76 = 174,889,660.25 : x
  2. Step 2: Convert to fraction form
    307,065,513.96/423,703,057.76 = 174,889,660.25/x
  3. Step 3: Cross multiply
    307,065,513.96x = 423,703,057.76 × 174,889,660.25
  4. Step 4: Simplify right side
    307,065,513.96x = 74,101,283,818,532,528
  5. Step 5: Solve for x
    x = 74,101,283,818,532,528/307,065,513.96
  6. Step 6: Final answer
    x = 241,320,762.02

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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.