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Finding the Fourth Proportional to 28,473,470,525.80, 42,710,205,788.70 and 28,473,470,525.80

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Solution

The fourth proportional to 28,473,470,525.80, 42,710,205,788.70 and 28,473,470,525.80 is: 42,710,205,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,470,525.80 : 42,710,205,788.70 = 28,473,470,525.80 : x
  2. Step 2: Convert to fraction form
    28,473,470,525.80/42,710,205,788.70 = 28,473,470,525.80/x
  3. Step 3: Cross multiply
    28,473,470,525.80x = 42,710,205,788.70 × 28,473,470,525.80
  4. Step 4: Simplify right side
    28,473,470,525.80x = 1,216,107,785,675,401,854,976
  5. Step 5: Solve for x
    x = 1,216,107,785,675,401,854,976/28,473,470,525.80
  6. Step 6: Final answer
    x = 42,710,205,788.70

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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.