Home / 1,197,181,243.10-1,795,771,864.65-788,698,631.90

Finding the Fourth Proportional to 1,197,181,243.10, 1,795,771,864.65 and 788,698,631.90

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Solution

The fourth proportional to 1,197,181,243.10, 1,795,771,864.65 and 788,698,631.90 is: 1,183,047,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,181,243.10 : 1,795,771,864.65 = 788,698,631.90 : x
  2. Step 2: Convert to fraction form
    1,197,181,243.10/1,795,771,864.65 = 788,698,631.90/x
  3. Step 3: Cross multiply
    1,197,181,243.10x = 1,795,771,864.65 × 788,698,631.90
  4. Step 4: Simplify right side
    1,197,181,243.10x = 1,416,322,812,853,967,104
  5. Step 5: Solve for x
    x = 1,416,322,812,853,967,104/1,197,181,243.10
  6. Step 6: Final answer
    x = 1,183,047,947.85

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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.