Home / 56,162,315,422.80-84,243,473,134.20-18,884,917,918.80

Finding the Fourth Proportional to 56,162,315,422.80, 84,243,473,134.20 and 18,884,917,918.80

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Solution

The fourth proportional to 56,162,315,422.80, 84,243,473,134.20 and 18,884,917,918.80 is: 28,327,376,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162,315,422.80 : 84,243,473,134.20 = 18,884,917,918.80 : x
  2. Step 2: Convert to fraction form
    56,162,315,422.80/84,243,473,134.20 = 18,884,917,918.80/x
  3. Step 3: Cross multiply
    56,162,315,422.80x = 84,243,473,134.20 × 18,884,917,918.80
  4. Step 4: Simplify right side
    56,162,315,422.80x = 1,590,931,075,333,999,820,800
  5. Step 5: Solve for x
    x = 1,590,931,075,333,999,820,800/56,162,315,422.80
  6. Step 6: Final answer
    x = 28,327,376,878.20

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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.