Home / 873,713,259.68-1,205,716,331.76-477,236,185.76

Finding the Fourth Proportional to 873,713,259.68, 1,205,716,331.76 and 477,236,185.76

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Solution

The fourth proportional to 873,713,259.68, 1,205,716,331.76 and 477,236,185.76 is: 658,581,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,713,259.68 : 1,205,716,331.76 = 477,236,185.76 : x
  2. Step 2: Convert to fraction form
    873,713,259.68/1,205,716,331.76 = 477,236,185.76/x
  3. Step 3: Cross multiply
    873,713,259.68x = 1,205,716,331.76 × 477,236,185.76
  4. Step 4: Simplify right side
    873,713,259.68x = 575,411,463,277,681,152
  5. Step 5: Solve for x
    x = 575,411,463,277,681,152/873,713,259.68
  6. Step 6: Final answer
    x = 658,581,584.87

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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.