Home / 816,741,228.02-1,224,423,199.47-356,341,709.30

Finding the Fourth Proportional to 816,741,228.02, 1,224,423,199.47 and 356,341,709.30

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Solution

The fourth proportional to 816,741,228.02, 1,224,423,199.47 and 356,341,709.30 is: 534,212,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,741,228.02 : 1,224,423,199.47 = 356,341,709.30 : x
  2. Step 2: Convert to fraction form
    816,741,228.02/1,224,423,199.47 = 356,341,709.30/x
  3. Step 3: Cross multiply
    816,741,228.02x = 1,224,423,199.47 × 356,341,709.30
  4. Step 4: Simplify right side
    816,741,228.02x = 436,313,055,805,714,688
  5. Step 5: Solve for x
    x = 436,313,055,805,714,688/816,741,228.02
  6. Step 6: Final answer
    x = 534,212,111.30

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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.