Home / 1,085,253,353.72-1,627,890,031.98-308,898,802.22

Finding the Fourth Proportional to 1,085,253,353.72, 1,627,890,031.98 and 308,898,802.22

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Solution

The fourth proportional to 1,085,253,353.72, 1,627,890,031.98 and 308,898,802.22 is: 463,351,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,253,353.72 : 1,627,890,031.98 = 308,898,802.22 : x
  2. Step 2: Convert to fraction form
    1,085,253,353.72/1,627,890,031.98 = 308,898,802.22/x
  3. Step 3: Cross multiply
    1,085,253,353.72x = 1,627,890,031.98 × 308,898,802.22
  4. Step 4: Simplify right side
    1,085,253,353.72x = 502,853,281,016,360,000
  5. Step 5: Solve for x
    x = 502,853,281,016,360,000/1,085,253,353.72
  6. Step 6: Final answer
    x = 463,351,050.05

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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.