Home / 753,022,255.40-1,129,533,383.10-533,483,978.30

Finding the Fourth Proportional to 753,022,255.40, 1,129,533,383.10 and 533,483,978.30

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Solution

The fourth proportional to 753,022,255.40, 1,129,533,383.10 and 533,483,978.30 is: 800,225,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,022,255.40 : 1,129,533,383.10 = 533,483,978.30 : x
  2. Step 2: Convert to fraction form
    753,022,255.40/1,129,533,383.10 = 533,483,978.30/x
  3. Step 3: Cross multiply
    753,022,255.40x = 1,129,533,383.10 × 533,483,978.30
  4. Step 4: Simplify right side
    753,022,255.40x = 602,587,962,838,845,952
  5. Step 5: Solve for x
    x = 602,587,962,838,845,952/753,022,255.40
  6. Step 6: Final answer
    x = 800,225,967.45

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Double scale
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Similar ratio
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1.5x scale

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.