Home / 2,943,932,666.40-4,415,898,999.60-2,117,435,623.20

Finding the Fourth Proportional to 2,943,932,666.40, 4,415,898,999.60 and 2,117,435,623.20

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Solution

The fourth proportional to 2,943,932,666.40, 4,415,898,999.60 and 2,117,435,623.20 is: 3,176,153,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,932,666.40 : 4,415,898,999.60 = 2,117,435,623.20 : x
  2. Step 2: Convert to fraction form
    2,943,932,666.40/4,415,898,999.60 = 2,117,435,623.20/x
  3. Step 3: Cross multiply
    2,943,932,666.40x = 4,415,898,999.60 × 2,117,435,623.20
  4. Step 4: Simplify right side
    2,943,932,666.40x = 9,350,381,850,206,283,776
  5. Step 5: Solve for x
    x = 9,350,381,850,206,283,776/2,943,932,666.40
  6. Step 6: Final answer
    x = 3,176,153,434.80

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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.