Home / 1,220,596,308-1,830,896,299.08-565,190,199.36

Finding the Fourth Proportional to 1,220,596,308, 1,830,896,299.08 and 565,190,199.36

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Solution

The fourth proportional to 1,220,596,308, 1,830,896,299.08 and 565,190,199.36 is: 847,786,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,596,308 : 1,830,896,299.08 = 565,190,199.36 : x
  2. Step 2: Convert to fraction form
    1,220,596,308/1,830,896,299.08 = 565,190,199.36/x
  3. Step 3: Cross multiply
    1,220,596,308x = 1,830,896,299.08 × 565,190,199.36
  4. Step 4: Simplify right side
    1,220,596,308x = 1,034,804,644,284,511,360
  5. Step 5: Solve for x
    x = 1,034,804,644,284,511,360/1,220,596,308
  6. Step 6: Final answer
    x = 847,786,149.69

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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.