Home / 1,197,181,427.10-1,795,772,140.65-788,698,815.90

Finding the Fourth Proportional to 1,197,181,427.10, 1,795,772,140.65 and 788,698,815.90

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Solution

The fourth proportional to 1,197,181,427.10, 1,795,772,140.65 and 788,698,815.90 is: 1,183,048,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,181,427.10 : 1,795,772,140.65 = 788,698,815.90 : x
  2. Step 2: Convert to fraction form
    1,197,181,427.10/1,795,772,140.65 = 788,698,815.90/x
  3. Step 3: Cross multiply
    1,197,181,427.10x = 1,795,772,140.65 × 788,698,815.90
  4. Step 4: Simplify right side
    1,197,181,427.10x = 1,416,323,360,956,863,232
  5. Step 5: Solve for x
    x = 1,416,323,360,956,863,232/1,197,181,427.10
  6. Step 6: Final answer
    x = 1,183,048,223.85

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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.