Home / 962,021,016.40-1,443,031,524.60-824,271,509.20

Finding the Fourth Proportional to 962,021,016.40, 1,443,031,524.60 and 824,271,509.20

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Solution

The fourth proportional to 962,021,016.40, 1,443,031,524.60 and 824,271,509.20 is: 1,236,407,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,021,016.40 : 1,443,031,524.60 = 824,271,509.20 : x
  2. Step 2: Convert to fraction form
    962,021,016.40/1,443,031,524.60 = 824,271,509.20/x
  3. Step 3: Cross multiply
    962,021,016.40x = 1,443,031,524.60 × 824,271,509.20
  4. Step 4: Simplify right side
    962,021,016.40x = 1,189,449,772,605,218,816
  5. Step 5: Solve for x
    x = 1,189,449,772,605,218,816/962,021,016.40
  6. Step 6: Final answer
    x = 1,236,407,263.80

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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.