Home / 1,139,076,986.80-1,708,779,212.10-352,192,005.76

Finding the Fourth Proportional to 1,139,076,986.80, 1,708,779,212.10 and 352,192,005.76

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Solution

The fourth proportional to 1,139,076,986.80, 1,708,779,212.10 and 352,192,005.76 is: 528,338,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,076,986.80 : 1,708,779,212.10 = 352,192,005.76 : x
  2. Step 2: Convert to fraction form
    1,139,076,986.80/1,708,779,212.10 = 352,192,005.76/x
  3. Step 3: Cross multiply
    1,139,076,986.80x = 1,708,779,212.10 × 352,192,005.76
  4. Step 4: Simplify right side
    1,139,076,986.80x = 601,818,378,110,491,392
  5. Step 5: Solve for x
    x = 601,818,378,110,491,392/1,139,076,986.80
  6. Step 6: Final answer
    x = 528,338,633.02

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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.