Home / 403,989,751.90-606,010,228.98-170,776,999.72

Finding the Fourth Proportional to 403,989,751.90, 606,010,228.98 and 170,776,999.72

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Solution

The fourth proportional to 403,989,751.90, 606,010,228.98 and 170,776,999.72 is: 256,176,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,989,751.90 : 606,010,228.98 = 170,776,999.72 : x
  2. Step 2: Convert to fraction form
    403,989,751.90/606,010,228.98 = 170,776,999.72/x
  3. Step 3: Cross multiply
    403,989,751.90x = 606,010,228.98 × 170,776,999.72
  4. Step 4: Simplify right side
    403,989,751.90x = 103,492,608,704,834,592
  5. Step 5: Solve for x
    x = 103,492,608,704,834,592/403,989,751.90
  6. Step 6: Final answer
    x = 256,176,321.85

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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.