Home / 315,212,218,365.12-434,993,280,830.48-170,696,597,291.10

Finding the Fourth Proportional to 315,212,218,365.12, 434,993,280,830.48 and 170,696,597,291.10

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Solution

The fourth proportional to 315,212,218,365.12, 434,993,280,830.48 and 170,696,597,291.10 is: 235,561,531,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,212,218,365.12 : 434,993,280,830.48 = 170,696,597,291.10 : x
  2. Step 2: Convert to fraction form
    315,212,218,365.12/434,993,280,830.48 = 170,696,597,291.10/x
  3. Step 3: Cross multiply
    315,212,218,365.12x = 434,993,280,830.48 × 170,696,597,291.10
  4. Step 4: Simplify right side
    315,212,218,365.12x = 74,251,872,882,254,810,185,728
  5. Step 5: Solve for x
    x = 74,251,872,882,254,810,185,728/315,212,218,365.12
  6. Step 6: Final answer
    x = 235,561,531,425.94

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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.