Home / 906,897,014.56-1,251,477,622.88-505,031,494.24

Finding the Fourth Proportional to 906,897,014.56, 1,251,477,622.88 and 505,031,494.24

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Solution

The fourth proportional to 906,897,014.56, 1,251,477,622.88 and 505,031,494.24 is: 696,921,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,897,014.56 : 1,251,477,622.88 = 505,031,494.24 : x
  2. Step 2: Convert to fraction form
    906,897,014.56/1,251,477,622.88 = 505,031,494.24/x
  3. Step 3: Cross multiply
    906,897,014.56x = 1,251,477,622.88 × 505,031,494.24
  4. Step 4: Simplify right side
    906,897,014.56x = 632,035,613,891,009,664
  5. Step 5: Solve for x
    x = 632,035,613,891,009,664/906,897,014.56
  6. Step 6: Final answer
    x = 696,921,043.67

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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.