Home / 497,472,721.92-686,513,272.32-277,470,328.32

Finding the Fourth Proportional to 497,472,721.92, 686,513,272.32 and 277,470,328.32

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Solution

The fourth proportional to 497,472,721.92, 686,513,272.32 and 277,470,328.32 is: 382,909,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,472,721.92 : 686,513,272.32 = 277,470,328.32 : x
  2. Step 2: Convert to fraction form
    497,472,721.92/686,513,272.32 = 277,470,328.32/x
  3. Step 3: Cross multiply
    497,472,721.92x = 686,513,272.32 × 277,470,328.32
  4. Step 4: Simplify right side
    497,472,721.92x = 190,487,063,066,667,968
  5. Step 5: Solve for x
    x = 190,487,063,066,667,968/497,472,721.92
  6. Step 6: Final answer
    x = 382,909,564.03

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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.