Home / 545,936,490.80-818,904,736.20-157,771,984.40

Finding the Fourth Proportional to 545,936,490.80, 818,904,736.20 and 157,771,984.40

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Solution

The fourth proportional to 545,936,490.80, 818,904,736.20 and 157,771,984.40 is: 236,657,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,936,490.80 : 818,904,736.20 = 157,771,984.40 : x
  2. Step 2: Convert to fraction form
    545,936,490.80/818,904,736.20 = 157,771,984.40/x
  3. Step 3: Cross multiply
    545,936,490.80x = 818,904,736.20 × 157,771,984.40
  4. Step 4: Simplify right side
    545,936,490.80x = 129,200,225,264,832,528
  5. Step 5: Solve for x
    x = 129,200,225,264,832,528/545,936,490.80
  6. Step 6: Final answer
    x = 236,657,976.60

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