Home / 885,756,010.20-1,328,634,015.30-477,609,322.20

Finding the Fourth Proportional to 885,756,010.20, 1,328,634,015.30 and 477,609,322.20

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Solution

The fourth proportional to 885,756,010.20, 1,328,634,015.30 and 477,609,322.20 is: 716,413,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,756,010.20 : 1,328,634,015.30 = 477,609,322.20 : x
  2. Step 2: Convert to fraction form
    885,756,010.20/1,328,634,015.30 = 477,609,322.20/x
  3. Step 3: Cross multiply
    885,756,010.20x = 1,328,634,015.30 × 477,609,322.20
  4. Step 4: Simplify right side
    885,756,010.20x = 634,567,991,499,297,408
  5. Step 5: Solve for x
    x = 634,567,991,499,297,408/885,756,010.20
  6. Step 6: Final answer
    x = 716,413,983.30

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1.5x scale

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.