Home / 897,653,568.15-1,346,614,984.49-315,285,168.15

Finding the Fourth Proportional to 897,653,568.15, 1,346,614,984.49 and 315,285,168.15

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Solution

The fourth proportional to 897,653,568.15, 1,346,614,984.49 and 315,285,168.15 is: 472,975,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,653,568.15 : 1,346,614,984.49 = 315,285,168.15 : x
  2. Step 2: Convert to fraction form
    897,653,568.15/1,346,614,984.49 = 315,285,168.15/x
  3. Step 3: Cross multiply
    897,653,568.15x = 1,346,614,984.49 × 315,285,168.15
  4. Step 4: Simplify right side
    897,653,568.15x = 424,567,731,816,662,784
  5. Step 5: Solve for x
    x = 424,567,731,816,662,784/897,653,568.15
  6. Step 6: Final answer
    x = 472,975,039.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.