Home / 338,339,791,304.70-507,718,435,394.80-156,788,783,937.55

Finding the Fourth Proportional to 338,339,791,304.70, 507,718,435,394.80 and 156,788,783,937.55

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Solution

The fourth proportional to 338,339,791,304.70, 507,718,435,394.80 and 156,788,783,937.55 is: 235,279,911,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,339,791,304.70 : 507,718,435,394.80 = 156,788,783,937.55 : x
  2. Step 2: Convert to fraction form
    338,339,791,304.70/507,718,435,394.80 = 156,788,783,937.55/x
  3. Step 3: Cross multiply
    338,339,791,304.70x = 507,718,435,394.80 × 156,788,783,937.55
  4. Step 4: Simplify right side
    338,339,791,304.70x = 79,604,556,068,226,219,376,640
  5. Step 5: Solve for x
    x = 79,604,556,068,226,219,376,640/338,339,791,304.70
  6. Step 6: Final answer
    x = 235,279,911,243.24

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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.