Home / 1,152,591,800.40-1,590,577,198.02-623,955,769.38

Finding the Fourth Proportional to 1,152,591,800.40, 1,590,577,198.02 and 623,955,769.38

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Solution

The fourth proportional to 1,152,591,800.40, 1,590,577,198.02 and 623,955,769.38 is: 861,059,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,591,800.40 : 1,590,577,198.02 = 623,955,769.38 : x
  2. Step 2: Convert to fraction form
    1,152,591,800.40/1,590,577,198.02 = 623,955,769.38/x
  3. Step 3: Cross multiply
    1,152,591,800.40x = 1,590,577,198.02 × 623,955,769.38
  4. Step 4: Simplify right side
    1,152,591,800.40x = 992,449,819,348,853,632
  5. Step 5: Solve for x
    x = 992,449,819,348,853,632/1,152,591,800.40
  6. Step 6: Final answer
    x = 861,059,239.71

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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.