Home / 734,112,076.80-1,101,168,115.20-407,594,726.40

Finding the Fourth Proportional to 734,112,076.80, 1,101,168,115.20 and 407,594,726.40

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Solution

The fourth proportional to 734,112,076.80, 1,101,168,115.20 and 407,594,726.40 is: 611,392,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,112,076.80 : 1,101,168,115.20 = 407,594,726.40 : x
  2. Step 2: Convert to fraction form
    734,112,076.80/1,101,168,115.20 = 407,594,726.40/x
  3. Step 3: Cross multiply
    734,112,076.80x = 1,101,168,115.20 × 407,594,726.40
  4. Step 4: Simplify right side
    734,112,076.80x = 448,830,316,635,347,648
  5. Step 5: Solve for x
    x = 448,830,316,635,347,648/734,112,076.80
  6. Step 6: Final answer
    x = 611,392,089.60

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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.