Home / 348,001,486.76-480,254,512.38-191,380,706.48

Finding the Fourth Proportional to 348,001,486.76, 480,254,512.38 and 191,380,706.48

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Solution

The fourth proportional to 348,001,486.76, 480,254,512.38 and 191,380,706.48 is: 264,112,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,001,486.76 : 480,254,512.38 = 191,380,706.48 : x
  2. Step 2: Convert to fraction form
    348,001,486.76/480,254,512.38 = 191,380,706.48/x
  3. Step 3: Cross multiply
    348,001,486.76x = 480,254,512.38 × 191,380,706.48
  4. Step 4: Simplify right side
    348,001,486.76x = 91,911,447,869,492,304
  5. Step 5: Solve for x
    x = 91,911,447,869,492,304/348,001,486.76
  6. Step 6: Final answer
    x = 264,112,227.58

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1.5x scale

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.