Home / 1,168,749,430.50-1,612,924,913.61-647,228,662.50

Finding the Fourth Proportional to 1,168,749,430.50, 1,612,924,913.61 and 647,228,662.50

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Solution

The fourth proportional to 1,168,749,430.50, 1,612,924,913.61 and 647,228,662.50 is: 893,203,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,749,430.50 : 1,612,924,913.61 = 647,228,662.50 : x
  2. Step 2: Convert to fraction form
    1,168,749,430.50/1,612,924,913.61 = 647,228,662.50/x
  3. Step 3: Cross multiply
    1,168,749,430.50x = 1,612,924,913.61 × 647,228,662.50
  4. Step 4: Simplify right side
    1,168,749,430.50x = 1,043,931,234,548,728,320
  5. Step 5: Solve for x
    x = 1,043,931,234,548,728,320/1,168,749,430.50
  6. Step 6: Final answer
    x = 893,203,630.57

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Double scale
Find fourth proportional to 1,168,749,431.50, 1,612,924,914.99 and 647,228,663.50
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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.