Home / 707,453,467.60-1,061,371,256.76-216,153,340.86

Finding the Fourth Proportional to 707,453,467.60, 1,061,371,256.76 and 216,153,340.86

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Solution

The fourth proportional to 707,453,467.60, 1,061,371,256.76 and 216,153,340.86 is: 324,288,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,453,467.60 : 1,061,371,256.76 = 216,153,340.86 : x
  2. Step 2: Convert to fraction form
    707,453,467.60/1,061,371,256.76 = 216,153,340.86/x
  3. Step 3: Cross multiply
    707,453,467.60x = 1,061,371,256.76 × 216,153,340.86
  4. Step 4: Simplify right side
    707,453,467.60x = 229,418,943,041,450,880
  5. Step 5: Solve for x
    x = 229,418,943,041,450,880/707,453,467.60
  6. Step 6: Final answer
    x = 324,288,385.81

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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.