Home / 1,390,173,386,863.10-2,084,134,784,865.80-434,620,121,766.66

Finding the Fourth Proportional to 1,390,173,386,863.10, 2,084,134,784,865.80 and 434,620,121,766.66

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Solution

The fourth proportional to 1,390,173,386,863.10, 2,084,134,784,865.80 and 434,620,121,766.66 is: 651,578,373,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,173,386,863.10 : 2,084,134,784,865.80 = 434,620,121,766.66 : x
  2. Step 2: Convert to fraction form
    1,390,173,386,863.10/2,084,134,784,865.80 = 434,620,121,766.66/x
  3. Step 3: Cross multiply
    1,390,173,386,863.10x = 2,084,134,784,865.80 × 434,620,121,766.66
  4. Step 4: Simplify right side
    1,390,173,386,863.10x = 905,806,913,976,505,770,967,040
  5. Step 5: Solve for x
    x = 905,806,913,976,505,770,967,040/1,390,173,386,863.10
  6. Step 6: Final answer
    x = 651,578,373,270.72

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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.