Home / 28,293,454,149.23-39,045,088,113.51-15,433,374,360.69

Finding the Fourth Proportional to 28,293,454,149.23, 39,045,088,113.51 and 15,433,374,360.69

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Solution

The fourth proportional to 28,293,454,149.23, 39,045,088,113.51 and 15,433,374,360.69 is: 21,298,122,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,149.23 : 39,045,088,113.51 = 15,433,374,360.69 : x
  2. Step 2: Convert to fraction form
    28,293,454,149.23/39,045,088,113.51 = 15,433,374,360.69/x
  3. Step 3: Cross multiply
    28,293,454,149.23x = 39,045,088,113.51 × 15,433,374,360.69
  4. Step 4: Simplify right side
    28,293,454,149.23x = 602,597,461,801,927,180,288
  5. Step 5: Solve for x
    x = 602,597,461,801,927,180,288/28,293,454,149.23
  6. Step 6: Final answer
    x = 21,298,122,831.65

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Double scale
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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.