Home / 943,842,409.38-1,415,820,363.48-288,799,110.69

Finding the Fourth Proportional to 943,842,409.38, 1,415,820,363.48 and 288,799,110.69

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Solution

The fourth proportional to 943,842,409.38, 1,415,820,363.48 and 288,799,110.69 is: 433,216,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,842,409.38 : 1,415,820,363.48 = 288,799,110.69 : x
  2. Step 2: Convert to fraction form
    943,842,409.38/1,415,820,363.48 = 288,799,110.69/x
  3. Step 3: Cross multiply
    943,842,409.38x = 1,415,820,363.48 × 288,799,110.69
  4. Step 4: Simplify right side
    943,842,409.38x = 408,887,661,869,816,576
  5. Step 5: Solve for x
    x = 408,887,661,869,816,576/943,842,409.38
  6. Step 6: Final answer
    x = 433,216,030.35

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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.