Home / 1,539,648,045.90-2,309,472,068.85-449,131,113.90

Finding the Fourth Proportional to 1,539,648,045.90, 2,309,472,068.85 and 449,131,113.90

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Solution

The fourth proportional to 1,539,648,045.90, 2,309,472,068.85 and 449,131,113.90 is: 673,696,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,045.90 : 2,309,472,068.85 = 449,131,113.90 : x
  2. Step 2: Convert to fraction form
    1,539,648,045.90/2,309,472,068.85 = 449,131,113.90/x
  3. Step 3: Cross multiply
    1,539,648,045.90x = 2,309,472,068.85 × 449,131,113.90
  4. Step 4: Simplify right side
    1,539,648,045.90x = 1,037,255,762,803,537,920
  5. Step 5: Solve for x
    x = 1,037,255,762,803,537,920/1,539,648,045.90
  6. Step 6: Final answer
    x = 673,696,670.85

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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.