Home / 746,809,374.20-1,120,214,061.30-402,435,606.20

Finding the Fourth Proportional to 746,809,374.20, 1,120,214,061.30 and 402,435,606.20

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Solution

The fourth proportional to 746,809,374.20, 1,120,214,061.30 and 402,435,606.20 is: 603,653,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,809,374.20 : 1,120,214,061.30 = 402,435,606.20 : x
  2. Step 2: Convert to fraction form
    746,809,374.20/1,120,214,061.30 = 402,435,606.20/x
  3. Step 3: Cross multiply
    746,809,374.20x = 1,120,214,061.30 × 402,435,606.20
  4. Step 4: Simplify right side
    746,809,374.20x = 450,814,024,833,029,440
  5. Step 5: Solve for x
    x = 450,814,024,833,029,440/746,809,374.20
  6. Step 6: Final answer
    x = 603,653,409.30

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Double scale
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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.