Home / 351,084,125.32-484,312,407.05-217,079,205.28

Finding the Fourth Proportional to 351,084,125.32, 484,312,407.05 and 217,079,205.28

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Solution

The fourth proportional to 351,084,125.32, 484,312,407.05 and 217,079,205.28 is: 299,455,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,084,125.32 : 484,312,407.05 = 217,079,205.28 : x
  2. Step 2: Convert to fraction form
    351,084,125.32/484,312,407.05 = 217,079,205.28/x
  3. Step 3: Cross multiply
    351,084,125.32x = 484,312,407.05 × 217,079,205.28
  4. Step 4: Simplify right side
    351,084,125.32x = 105,134,152,428,989,792
  5. Step 5: Solve for x
    x = 105,134,152,428,989,792/351,084,125.32
  6. Step 6: Final answer
    x = 299,455,728.26

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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.