Home / 371,716,856.65-512,969,525.33-204,465,842.79

Finding the Fourth Proportional to 371,716,856.65, 512,969,525.33 and 204,465,842.79

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Solution

The fourth proportional to 371,716,856.65, 512,969,525.33 and 204,465,842.79 is: 282,163,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,716,856.65 : 512,969,525.33 = 204,465,842.79 : x
  2. Step 2: Convert to fraction form
    371,716,856.65/512,969,525.33 = 204,465,842.79/x
  3. Step 3: Cross multiply
    371,716,856.65x = 512,969,525.33 × 204,465,842.79
  4. Step 4: Simplify right side
    371,716,856.65x = 104,884,746,322,184,688
  5. Step 5: Solve for x
    x = 104,884,746,322,184,688/371,716,856.65
  6. Step 6: Final answer
    x = 282,163,007.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.