Home / 2,798,478,899.66-3,861,902,347.59-1,528,337,271.50

Finding the Fourth Proportional to 2,798,478,899.66, 3,861,902,347.59 and 1,528,337,271.50

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Solution

The fourth proportional to 2,798,478,899.66, 3,861,902,347.59 and 1,528,337,271.50 is: 2,109,106,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,478,899.66 : 3,861,902,347.59 = 1,528,337,271.50 : x
  2. Step 2: Convert to fraction form
    2,798,478,899.66/3,861,902,347.59 = 1,528,337,271.50/x
  3. Step 3: Cross multiply
    2,798,478,899.66x = 3,861,902,347.59 × 1,528,337,271.50
  4. Step 4: Simplify right side
    2,798,478,899.66x = 5,902,289,296,715,145,216
  5. Step 5: Solve for x
    x = 5,902,289,296,715,145,216/2,798,478,899.66
  6. Step 6: Final answer
    x = 2,109,106,235.33

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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.