Home / 674,959,705.70-1,012,439,558.55-470,718,400.10

Finding the Fourth Proportional to 674,959,705.70, 1,012,439,558.55 and 470,718,400.10

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Solution

The fourth proportional to 674,959,705.70, 1,012,439,558.55 and 470,718,400.10 is: 706,077,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,959,705.70 : 1,012,439,558.55 = 470,718,400.10 : x
  2. Step 2: Convert to fraction form
    674,959,705.70/1,012,439,558.55 = 470,718,400.10/x
  3. Step 3: Cross multiply
    674,959,705.70x = 1,012,439,558.55 × 470,718,400.10
  4. Step 4: Simplify right side
    674,959,705.70x = 476,573,929,198,606,272
  5. Step 5: Solve for x
    x = 476,573,929,198,606,272/674,959,705.70
  6. Step 6: Final answer
    x = 706,077,600.15

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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.