Home / 61,159,524,006.40-91,739,286,009.60-19,249,236,440.80

Finding the Fourth Proportional to 61,159,524,006.40, 91,739,286,009.60 and 19,249,236,440.80

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Solution

The fourth proportional to 61,159,524,006.40, 91,739,286,009.60 and 19,249,236,440.80 is: 28,873,854,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,159,524,006.40 : 91,739,286,009.60 = 19,249,236,440.80 : x
  2. Step 2: Convert to fraction form
    61,159,524,006.40/91,739,286,009.60 = 19,249,236,440.80/x
  3. Step 3: Cross multiply
    61,159,524,006.40x = 91,739,286,009.60 × 19,249,236,440.80
  4. Step 4: Simplify right side
    61,159,524,006.40x = 1,765,911,207,308,965,969,920
  5. Step 5: Solve for x
    x = 1,765,911,207,308,965,969,920/61,159,524,006.40
  6. Step 6: Final answer
    x = 28,873,854,661.20

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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.