Home / 383,020,506.72-574,611,460.56-124,215,547.20

Finding the Fourth Proportional to 383,020,506.72, 574,611,460.56 and 124,215,547.20

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Solution

The fourth proportional to 383,020,506.72, 574,611,460.56 and 124,215,547.20 is: 186,349,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,020,506.72 : 574,611,460.56 = 124,215,547.20 : x
  2. Step 2: Convert to fraction form
    383,020,506.72/574,611,460.56 = 124,215,547.20/x
  3. Step 3: Cross multiply
    383,020,506.72x = 574,611,460.56 × 124,215,547.20
  4. Step 4: Simplify right side
    383,020,506.72x = 71,375,677,000,851,616
  5. Step 5: Solve for x
    x = 71,375,677,000,851,616/383,020,506.72
  6. Step 6: Final answer
    x = 186,349,492.39

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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.