Home / 539,094,080.40-808,641,120.60-517,930,918.80

Finding the Fourth Proportional to 539,094,080.40, 808,641,120.60 and 517,930,918.80

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Solution

The fourth proportional to 539,094,080.40, 808,641,120.60 and 517,930,918.80 is: 776,896,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,094,080.40 : 808,641,120.60 = 517,930,918.80 : x
  2. Step 2: Convert to fraction form
    539,094,080.40/808,641,120.60 = 517,930,918.80/x
  3. Step 3: Cross multiply
    539,094,080.40x = 808,641,120.60 × 517,930,918.80
  4. Step 4: Simplify right side
    539,094,080.40x = 418,820,238,571,819,648
  5. Step 5: Solve for x
    x = 418,820,238,571,819,648/539,094,080.40
  6. Step 6: Final answer
    x = 776,896,378.20

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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.