Home / 28,307,755,800.62-39,065,533,225.80-15,448,226,064.65

Finding the Fourth Proportional to 28,307,755,800.62, 39,065,533,225.80 and 15,448,226,064.65

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Solution

The fourth proportional to 28,307,755,800.62, 39,065,533,225.80 and 15,448,226,064.65 is: 21,319,005,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307,755,800.62 : 39,065,533,225.80 = 15,448,226,064.65 : x
  2. Step 2: Convert to fraction form
    28,307,755,800.62/39,065,533,225.80 = 15,448,226,064.65/x
  3. Step 3: Cross multiply
    28,307,755,800.62x = 39,065,533,225.80 × 15,448,226,064.65
  4. Step 4: Simplify right side
    28,307,755,800.62x = 603,493,188,608,254,148,608
  5. Step 5: Solve for x
    x = 603,493,188,608,254,148,608/28,307,755,800.62
  6. Step 6: Final answer
    x = 21,319,005,040.84

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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.