Home / 746,500,810.40-1,119,751,215.60-459,448,215.20

Finding the Fourth Proportional to 746,500,810.40, 1,119,751,215.60 and 459,448,215.20

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Solution

The fourth proportional to 746,500,810.40, 1,119,751,215.60 and 459,448,215.20 is: 689,172,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,500,810.40 : 1,119,751,215.60 = 459,448,215.20 : x
  2. Step 2: Convert to fraction form
    746,500,810.40/1,119,751,215.60 = 459,448,215.20/x
  3. Step 3: Cross multiply
    746,500,810.40x = 1,119,751,215.60 × 459,448,215.20
  4. Step 4: Simplify right side
    746,500,810.40x = 514,467,697,475,450,368
  5. Step 5: Solve for x
    x = 514,467,697,475,450,368/746,500,810.40
  6. Step 6: Final answer
    x = 689,172,322.80

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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.