Home / 769,268,173.07-1,061,472,681.81-434,618,592.06

Finding the Fourth Proportional to 769,268,173.07, 1,061,472,681.81 and 434,618,592.06

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Solution

The fourth proportional to 769,268,173.07, 1,061,472,681.81 and 434,618,592.06 is: 599,707,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,268,173.07 : 1,061,472,681.81 = 434,618,592.06 : x
  2. Step 2: Convert to fraction form
    769,268,173.07/1,061,472,681.81 = 434,618,592.06/x
  3. Step 3: Cross multiply
    769,268,173.07x = 1,061,472,681.81 × 434,618,592.06
  4. Step 4: Simplify right side
    769,268,173.07x = 461,335,762,482,395,072
  5. Step 5: Solve for x
    x = 461,335,762,482,395,072/769,268,173.07
  6. Step 6: Final answer
    x = 599,707,330.46

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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.