Home / 530,568,230.40-795,096,518.40-391,307,068.80

Finding the Fourth Proportional to 530,568,230.40, 795,096,518.40 and 391,307,068.80

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Solution

The fourth proportional to 530,568,230.40, 795,096,518.40 and 391,307,068.80 is: 586,403,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,568,230.40 : 795,096,518.40 = 391,307,068.80 : x
  2. Step 2: Convert to fraction form
    530,568,230.40/795,096,518.40 = 391,307,068.80/x
  3. Step 3: Cross multiply
    530,568,230.40x = 795,096,518.40 × 391,307,068.80
  4. Step 4: Simplify right side
    530,568,230.40x = 311,126,888,028,189,248
  5. Step 5: Solve for x
    x = 311,126,888,028,189,248/530,568,230.40
  6. Step 6: Final answer
    x = 586,403,162.12

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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.