Home / 885,335,321.80-1,325,877,218.70-475,488,022.60

Finding the Fourth Proportional to 885,335,321.80, 1,325,877,218.70 and 475,488,022.60

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Solution

The fourth proportional to 885,335,321.80, 1,325,877,218.70 and 475,488,022.60 is: 712,090,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,335,321.80 : 1,325,877,218.70 = 475,488,022.60 : x
  2. Step 2: Convert to fraction form
    885,335,321.80/1,325,877,218.70 = 475,488,022.60/x
  3. Step 3: Cross multiply
    885,335,321.80x = 1,325,877,218.70 × 475,488,022.60
  4. Step 4: Simplify right side
    885,335,321.80x = 630,438,736,930,050,816
  5. Step 5: Solve for x
    x = 630,438,736,930,050,816/885,335,321.80
  6. Step 6: Final answer
    x = 712,090,347.47

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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.