Home / 927,590,946.47-1,280,215,431.50-565,694,863.95

Finding the Fourth Proportional to 927,590,946.47, 1,280,215,431.50 and 565,694,863.95

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Solution

The fourth proportional to 927,590,946.47, 1,280,215,431.50 and 565,694,863.95 is: 780,744,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,590,946.47 : 1,280,215,431.50 = 565,694,863.95 : x
  2. Step 2: Convert to fraction form
    927,590,946.47/1,280,215,431.50 = 565,694,863.95/x
  3. Step 3: Cross multiply
    927,590,946.47x = 1,280,215,431.50 × 565,694,863.95
  4. Step 4: Simplify right side
    927,590,946.47x = 724,211,294,349,083,136
  5. Step 5: Solve for x
    x = 724,211,294,349,083,136/927,590,946.47
  6. Step 6: Final answer
    x = 780,744,246.27

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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.