Home / 1,539,118,815.90-2,123,927,063.34-834,255,663.72

Finding the Fourth Proportional to 1,539,118,815.90, 2,123,927,063.34 and 834,255,663.72

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Solution

The fourth proportional to 1,539,118,815.90, 2,123,927,063.34 and 834,255,663.72 is: 1,151,241,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,815.90 : 2,123,927,063.34 = 834,255,663.72 : x
  2. Step 2: Convert to fraction form
    1,539,118,815.90/2,123,927,063.34 = 834,255,663.72/x
  3. Step 3: Cross multiply
    1,539,118,815.90x = 2,123,927,063.34 × 834,255,663.72
  4. Step 4: Simplify right side
    1,539,118,815.90x = 1,771,898,181,919,582,208
  5. Step 5: Solve for x
    x = 1,771,898,181,919,582,208/1,539,118,815.90
  6. Step 6: Final answer
    x = 1,151,241,972.75

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1.5x scale

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.