Home / 1,311,683,780.40-1,967,242,235.40-574,752,260.40

Finding the Fourth Proportional to 1,311,683,780.40, 1,967,242,235.40 and 574,752,260.40

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Solution

The fourth proportional to 1,311,683,780.40, 1,967,242,235.40 and 574,752,260.40 is: 862,004,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,683,780.40 : 1,967,242,235.40 = 574,752,260.40 : x
  2. Step 2: Convert to fraction form
    1,311,683,780.40/1,967,242,235.40 = 574,752,260.40/x
  3. Step 3: Cross multiply
    1,311,683,780.40x = 1,967,242,235.40 × 574,752,260.40
  4. Step 4: Simplify right side
    1,311,683,780.40x = 1,130,676,921,550,498,944
  5. Step 5: Solve for x
    x = 1,130,676,921,550,498,944/1,311,683,780.40
  6. Step 6: Final answer
    x = 862,004,195.25

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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.