Home / 3,186,999,318.70-4,780,498,978.05-1,116,452,038.60

Finding the Fourth Proportional to 3,186,999,318.70, 4,780,498,978.05 and 1,116,452,038.60

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Solution

The fourth proportional to 3,186,999,318.70, 4,780,498,978.05 and 1,116,452,038.60 is: 1,674,678,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,999,318.70 : 4,780,498,978.05 = 1,116,452,038.60 : x
  2. Step 2: Convert to fraction form
    3,186,999,318.70/4,780,498,978.05 = 1,116,452,038.60/x
  3. Step 3: Cross multiply
    3,186,999,318.70x = 4,780,498,978.05 × 1,116,452,038.60
  4. Step 4: Simplify right side
    3,186,999,318.70x = 5,337,197,829,569,138,688
  5. Step 5: Solve for x
    x = 5,337,197,829,569,138,688/3,186,999,318.70
  6. Step 6: Final answer
    x = 1,674,678,057.90

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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.