Home / 468,185,095.07-645,577,782.30-298,370,457.92

Finding the Fourth Proportional to 468,185,095.07, 645,577,782.30 and 298,370,457.92

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Solution

The fourth proportional to 468,185,095.07, 645,577,782.30 and 298,370,457.92 is: 411,421,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,185,095.07 : 645,577,782.30 = 298,370,457.92 : x
  2. Step 2: Convert to fraction form
    468,185,095.07/645,577,782.30 = 298,370,457.92/x
  3. Step 3: Cross multiply
    468,185,095.07x = 645,577,782.30 × 298,370,457.92
  4. Step 4: Simplify right side
    468,185,095.07x = 192,621,338,524,601,184
  5. Step 5: Solve for x
    x = 192,621,338,524,601,184/468,185,095.07
  6. Step 6: Final answer
    x = 411,421,338.60

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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.