Home / 1,539,118,807.78-2,123,927,052.31-834,255,655.62

Finding the Fourth Proportional to 1,539,118,807.78, 2,123,927,052.31 and 834,255,655.62

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Solution

The fourth proportional to 1,539,118,807.78, 2,123,927,052.31 and 834,255,655.62 is: 1,151,241,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,807.78 : 2,123,927,052.31 = 834,255,655.62 : x
  2. Step 2: Convert to fraction form
    1,539,118,807.78/2,123,927,052.31 = 834,255,655.62/x
  3. Step 3: Cross multiply
    1,539,118,807.78x = 2,123,927,052.31 × 834,255,655.62
  4. Step 4: Simplify right side
    1,539,118,807.78x = 1,771,898,155,511,847,424
  5. Step 5: Solve for x
    x = 1,771,898,155,511,847,424/1,539,118,807.78
  6. Step 6: Final answer
    x = 1,151,241,961.67

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.