Home / 4,997,260,947.40-7,495,815,753.70-1,215,688,901.78

Finding the Fourth Proportional to 4,997,260,947.40, 7,495,815,753.70 and 1,215,688,901.78

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Solution

The fourth proportional to 4,997,260,947.40, 7,495,815,753.70 and 1,215,688,901.78 is: 1,823,514,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997,260,947.40 : 7,495,815,753.70 = 1,215,688,901.78 : x
  2. Step 2: Convert to fraction form
    4,997,260,947.40/7,495,815,753.70 = 1,215,688,901.78/x
  3. Step 3: Cross multiply
    4,997,260,947.40x = 7,495,815,753.70 × 1,215,688,901.78
  4. Step 4: Simplify right side
    4,997,260,947.40x = 9,112,580,021,576,476,672
  5. Step 5: Solve for x
    x = 9,112,580,021,576,476,672/4,997,260,947.40
  6. Step 6: Final answer
    x = 1,823,514,944.99

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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.