Home / 1,180,877,376.60-1,770,630,774.72-559,087,388.40

Finding the Fourth Proportional to 1,180,877,376.60, 1,770,630,774.72 and 559,087,388.40

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Solution

The fourth proportional to 1,180,877,376.60, 1,770,630,774.72 and 559,087,388.40 is: 838,306,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,877,376.60 : 1,770,630,774.72 = 559,087,388.40 : x
  2. Step 2: Convert to fraction form
    1,180,877,376.60/1,770,630,774.72 = 559,087,388.40/x
  3. Step 3: Cross multiply
    1,180,877,376.60x = 1,770,630,774.72 × 559,087,388.40
  4. Step 4: Simplify right side
    1,180,877,376.60x = 989,937,335,658,873,472
  5. Step 5: Solve for x
    x = 989,937,335,658,873,472/1,180,877,376.60
  6. Step 6: Final answer
    x = 838,306,631.39

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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.