Home / 976,859,970.60-1,464,864,803.10-321,557,788.20

Finding the Fourth Proportional to 976,859,970.60, 1,464,864,803.10 and 321,557,788.20

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Solution

The fourth proportional to 976,859,970.60, 1,464,864,803.10 and 321,557,788.20 is: 482,196,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,859,970.60 : 1,464,864,803.10 = 321,557,788.20 : x
  2. Step 2: Convert to fraction form
    976,859,970.60/1,464,864,803.10 = 321,557,788.20/x
  3. Step 3: Cross multiply
    976,859,970.60x = 1,464,864,803.10 × 321,557,788.20
  4. Step 4: Simplify right side
    976,859,970.60x = 471,038,686,096,864,448
  5. Step 5: Solve for x
    x = 471,038,686,096,864,448/976,859,970.60
  6. Step 6: Final answer
    x = 482,196,732.67

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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.