Home / 783,801,885.54-1,081,626,694.74-426,554,476.50

Finding the Fourth Proportional to 783,801,885.54, 1,081,626,694.74 and 426,554,476.50

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Solution

The fourth proportional to 783,801,885.54, 1,081,626,694.74 and 426,554,476.50 is: 588,634,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,801,885.54 : 1,081,626,694.74 = 426,554,476.50 : x
  2. Step 2: Convert to fraction form
    783,801,885.54/1,081,626,694.74 = 426,554,476.50/x
  3. Step 3: Cross multiply
    783,801,885.54x = 1,081,626,694.74 × 426,554,476.50
  4. Step 4: Simplify right side
    783,801,885.54x = 461,372,708,543,246,016
  5. Step 5: Solve for x
    x = 461,372,708,543,246,016/783,801,885.54
  6. Step 6: Final answer
    x = 588,634,343.77

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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.