Home / 509,914,295.70-766,005,184.35-490,640,702.10

Finding the Fourth Proportional to 509,914,295.70, 766,005,184.35 and 490,640,702.10

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Solution

The fourth proportional to 509,914,295.70, 766,005,184.35 and 490,640,702.10 is: 737,051,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,914,295.70 : 766,005,184.35 = 490,640,702.10 : x
  2. Step 2: Convert to fraction form
    509,914,295.70/766,005,184.35 = 490,640,702.10/x
  3. Step 3: Cross multiply
    509,914,295.70x = 766,005,184.35 × 490,640,702.10
  4. Step 4: Simplify right side
    509,914,295.70x = 375,833,321,461,723,968
  5. Step 5: Solve for x
    x = 375,833,321,461,723,968/509,914,295.70
  6. Step 6: Final answer
    x = 737,051,941.14

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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.