Home / 1,295,029,206.80-1,942,543,810.20-907,289,853.20

Finding the Fourth Proportional to 1,295,029,206.80, 1,942,543,810.20 and 907,289,853.20

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Solution

The fourth proportional to 1,295,029,206.80, 1,942,543,810.20 and 907,289,853.20 is: 1,360,934,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,029,206.80 : 1,942,543,810.20 = 907,289,853.20 : x
  2. Step 2: Convert to fraction form
    1,295,029,206.80/1,942,543,810.20 = 907,289,853.20/x
  3. Step 3: Cross multiply
    1,295,029,206.80x = 1,942,543,810.20 × 907,289,853.20
  4. Step 4: Simplify right side
    1,295,029,206.80x = 1,762,450,288,390,926,848
  5. Step 5: Solve for x
    x = 1,762,450,288,390,926,848/1,295,029,206.80
  6. Step 6: Final answer
    x = 1,360,934,779.80

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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.