Home / 487,931,483,996.79-673,336,389,429.45-268,195,478,650.14

Finding the Fourth Proportional to 487,931,483,996.79, 673,336,389,429.45 and 268,195,478,650.14

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Solution

The fourth proportional to 487,931,483,996.79, 673,336,389,429.45 and 268,195,478,650.14 is: 370,104,781,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,931,483,996.79 : 673,336,389,429.45 = 268,195,478,650.14 : x
  2. Step 2: Convert to fraction form
    487,931,483,996.79/673,336,389,429.45 = 268,195,478,650.14/x
  3. Step 3: Cross multiply
    487,931,483,996.79x = 673,336,389,429.45 × 268,195,478,650.14
  4. Step 4: Simplify right side
    487,931,483,996.79x = 180,585,775,255,588,421,238,784
  5. Step 5: Solve for x
    x = 180,585,775,255,588,421,238,784/487,931,483,996.79
  6. Step 6: Final answer
    x = 370,104,781,467.18

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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.