Home / 961,463,250.59-1,326,819,285.56-521,430,102.59

Finding the Fourth Proportional to 961,463,250.59, 1,326,819,285.56 and 521,430,102.59

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Solution

The fourth proportional to 961,463,250.59, 1,326,819,285.56 and 521,430,102.59 is: 719,573,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,463,250.59 : 1,326,819,285.56 = 521,430,102.59 : x
  2. Step 2: Convert to fraction form
    961,463,250.59/1,326,819,285.56 = 521,430,102.59/x
  3. Step 3: Cross multiply
    961,463,250.59x = 1,326,819,285.56 × 521,430,102.59
  4. Step 4: Simplify right side
    961,463,250.59x = 691,843,516,185,334,144
  5. Step 5: Solve for x
    x = 691,843,516,185,334,144/961,463,250.59
  6. Step 6: Final answer
    x = 719,573,541.43

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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.