Home / 270,781,064,813.52-406,173,328,051.92-79,552,320,290.16

Finding the Fourth Proportional to 270,781,064,813.52, 406,173,328,051.92 and 79,552,320,290.16

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Solution

The fourth proportional to 270,781,064,813.52, 406,173,328,051.92 and 79,552,320,290.16 is: 119,328,988,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,781,064,813.52 : 406,173,328,051.92 = 79,552,320,290.16 : x
  2. Step 2: Convert to fraction form
    270,781,064,813.52/406,173,328,051.92 = 79,552,320,290.16/x
  3. Step 3: Cross multiply
    270,781,064,813.52x = 406,173,328,051.92 × 79,552,320,290.16
  4. Step 4: Simplify right side
    270,781,064,813.52x = 32,312,030,686,506,567,860,224
  5. Step 5: Solve for x
    x = 32,312,030,686,506,567,860,224/270,781,064,813.52
  6. Step 6: Final answer
    x = 119,328,988,933.40

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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.