Home / 572,413,710.80-858,620,566.20-391,015,182.80

Finding the Fourth Proportional to 572,413,710.80, 858,620,566.20 and 391,015,182.80

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Solution

The fourth proportional to 572,413,710.80, 858,620,566.20 and 391,015,182.80 is: 586,522,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,413,710.80 : 858,620,566.20 = 391,015,182.80 : x
  2. Step 2: Convert to fraction form
    572,413,710.80/858,620,566.20 = 391,015,182.80/x
  3. Step 3: Cross multiply
    572,413,710.80x = 858,620,566.20 × 391,015,182.80
  4. Step 4: Simplify right side
    572,413,710.80x = 335,733,677,648,532,544
  5. Step 5: Solve for x
    x = 335,733,677,648,532,544/572,413,710.80
  6. Step 6: Final answer
    x = 586,522,774.20

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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.