Home / 1,313,953,420.96-1,813,256,288.56-719,241,297.44

Finding the Fourth Proportional to 1,313,953,420.96, 1,813,256,288.56 and 719,241,297.44

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Solution

The fourth proportional to 1,313,953,420.96, 1,813,256,288.56 and 719,241,297.44 is: 992,553,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,953,420.96 : 1,813,256,288.56 = 719,241,297.44 : x
  2. Step 2: Convert to fraction form
    1,313,953,420.96/1,813,256,288.56 = 719,241,297.44/x
  3. Step 3: Cross multiply
    1,313,953,420.96x = 1,813,256,288.56 × 719,241,297.44
  4. Step 4: Simplify right side
    1,313,953,420.96x = 1,304,168,805,575,133,440
  5. Step 5: Solve for x
    x = 1,304,168,805,575,133,440/1,313,953,420.96
  6. Step 6: Final answer
    x = 992,553,301.18

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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.