Home / 77,653,585,096.76-116,377,407,211.52-39,878,634,420.20

Finding the Fourth Proportional to 77,653,585,096.76, 116,377,407,211.52 and 39,878,634,420.20

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Solution

The fourth proportional to 77,653,585,096.76, 116,377,407,211.52 and 39,878,634,420.20 is: 59,765,071,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,585,096.76 : 116,377,407,211.52 = 39,878,634,420.20 : x
  2. Step 2: Convert to fraction form
    77,653,585,096.76/116,377,407,211.52 = 39,878,634,420.20/x
  3. Step 3: Cross multiply
    77,653,585,096.76x = 116,377,407,211.52 × 39,878,634,420.20
  4. Step 4: Simplify right side
    77,653,585,096.76x = 4,640,972,076,959,186,550,784
  5. Step 5: Solve for x
    x = 4,640,972,076,959,186,550,784/77,653,585,096.76
  6. Step 6: Final answer
    x = 59,765,071,647.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.