Home / 504,304,369.92-696,048,236.64-318,547,238.40

Finding the Fourth Proportional to 504,304,369.92, 696,048,236.64 and 318,547,238.40

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Solution

The fourth proportional to 504,304,369.92, 696,048,236.64 and 318,547,238.40 is: 439,663,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,304,369.92 : 696,048,236.64 = 318,547,238.40 : x
  2. Step 2: Convert to fraction form
    504,304,369.92/696,048,236.64 = 318,547,238.40/x
  3. Step 3: Cross multiply
    504,304,369.92x = 696,048,236.64 × 318,547,238.40
  4. Step 4: Simplify right side
    504,304,369.92x = 221,724,243,574,861,664
  5. Step 5: Solve for x
    x = 221,724,243,574,861,664/504,304,369.92
  6. Step 6: Final answer
    x = 439,663,538.13

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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.