Home / 2,105,166,045.17-2,905,152,100.59-1,165,384,381.21

Finding the Fourth Proportional to 2,105,166,045.17, 2,905,152,100.59 and 1,165,384,381.21

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Solution

The fourth proportional to 2,105,166,045.17, 2,905,152,100.59 and 1,165,384,381.21 is: 1,608,243,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,166,045.17 : 2,905,152,100.59 = 1,165,384,381.21 : x
  2. Step 2: Convert to fraction form
    2,105,166,045.17/2,905,152,100.59 = 1,165,384,381.21/x
  3. Step 3: Cross multiply
    2,105,166,045.17x = 2,905,152,100.59 × 1,165,384,381.21
  4. Step 4: Simplify right side
    2,105,166,045.17x = 3,385,618,883,067,009,024
  5. Step 5: Solve for x
    x = 3,385,618,883,067,009,024/2,105,166,045.17
  6. Step 6: Final answer
    x = 1,608,243,155.37

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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.