Home / 910,317,756.14-1,256,242,333.38-492,630,061.94

Finding the Fourth Proportional to 910,317,756.14, 1,256,242,333.38 and 492,630,061.94

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Solution

The fourth proportional to 910,317,756.14, 1,256,242,333.38 and 492,630,061.94 is: 679,831,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,317,756.14 : 1,256,242,333.38 = 492,630,061.94 : x
  2. Step 2: Convert to fraction form
    910,317,756.14/1,256,242,333.38 = 492,630,061.94/x
  3. Step 3: Cross multiply
    910,317,756.14x = 1,256,242,333.38 × 492,630,061.94
  4. Step 4: Simplify right side
    910,317,756.14x = 618,862,738,504,639,616
  5. Step 5: Solve for x
    x = 618,862,738,504,639,616/910,317,756.14
  6. Step 6: Final answer
    x = 679,831,558.08

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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.