Home / 956,841,298.47-1,320,441,881.75-516,808,150.47

Finding the Fourth Proportional to 956,841,298.47, 1,320,441,881.75 and 516,808,150.47

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Solution

The fourth proportional to 956,841,298.47, 1,320,441,881.75 and 516,808,150.47 is: 713,195,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,841,298.47 : 1,320,441,881.75 = 516,808,150.47 : x
  2. Step 2: Convert to fraction form
    956,841,298.47/1,320,441,881.75 = 516,808,150.47/x
  3. Step 3: Cross multiply
    956,841,298.47x = 1,320,441,881.75 × 516,808,150.47
  4. Step 4: Simplify right side
    956,841,298.47x = 682,415,126,707,759,872
  5. Step 5: Solve for x
    x = 682,415,126,707,759,872/956,841,298.47
  6. Step 6: Final answer
    x = 713,195,728.28

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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.