Home / 942,553,812.30-1,412,860,625.39-418,169,868.86

Finding the Fourth Proportional to 942,553,812.30, 1,412,860,625.39 and 418,169,868.86

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Solution

The fourth proportional to 942,553,812.30, 1,412,860,625.39 and 418,169,868.86 is: 626,824,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,553,812.30 : 1,412,860,625.39 = 418,169,868.86 : x
  2. Step 2: Convert to fraction form
    942,553,812.30/1,412,860,625.39 = 418,169,868.86/x
  3. Step 3: Cross multiply
    942,553,812.30x = 1,412,860,625.39 × 418,169,868.86
  4. Step 4: Simplify right side
    942,553,812.30x = 590,815,742,427,638,784
  5. Step 5: Solve for x
    x = 590,815,742,427,638,784/942,553,812.30
  6. Step 6: Final answer
    x = 626,824,415.45

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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.