Home / 53,242,173,589.18-79,868,169,937.79-17,387,118,565.90

Finding the Fourth Proportional to 53,242,173,589.18, 79,868,169,937.79 and 17,387,118,565.90

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Solution

The fourth proportional to 53,242,173,589.18, 79,868,169,937.79 and 17,387,118,565.90 is: 26,082,281,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,173,589.18 : 79,868,169,937.79 = 17,387,118,565.90 : x
  2. Step 2: Convert to fraction form
    53,242,173,589.18/79,868,169,937.79 = 17,387,118,565.90/x
  3. Step 3: Cross multiply
    53,242,173,589.18x = 79,868,169,937.79 × 17,387,118,565.90
  4. Step 4: Simplify right side
    53,242,173,589.18x = 1,388,677,340,349,804,838,912
  5. Step 5: Solve for x
    x = 1,388,677,340,349,804,838,912/53,242,173,589.18
  6. Step 6: Final answer
    x = 26,082,281,145.49

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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.