Home / 553,464,806.51-763,790,507.15-330,465,975.07

Finding the Fourth Proportional to 553,464,806.51, 763,790,507.15 and 330,465,975.07

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Solution

The fourth proportional to 553,464,806.51, 763,790,507.15 and 330,465,975.07 is: 456,048,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,464,806.51 : 763,790,507.15 = 330,465,975.07 : x
  2. Step 2: Convert to fraction form
    553,464,806.51/763,790,507.15 = 330,465,975.07/x
  3. Step 3: Cross multiply
    553,464,806.51x = 763,790,507.15 × 330,465,975.07
  4. Step 4: Simplify right side
    553,464,806.51x = 252,406,774,689,665,696
  5. Step 5: Solve for x
    x = 252,406,774,689,665,696/553,464,806.51
  6. Step 6: Final answer
    x = 456,048,463.64

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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.