Home / 1,371,606,411.99-1,892,868,877.77-768,788,177.26

Finding the Fourth Proportional to 1,371,606,411.99, 1,892,868,877.77 and 768,788,177.26

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Solution

The fourth proportional to 1,371,606,411.99, 1,892,868,877.77 and 768,788,177.26 is: 1,060,956,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,606,411.99 : 1,892,868,877.77 = 768,788,177.26 : x
  2. Step 2: Convert to fraction form
    1,371,606,411.99/1,892,868,877.77 = 768,788,177.26/x
  3. Step 3: Cross multiply
    1,371,606,411.99x = 1,892,868,877.77 × 768,788,177.26
  4. Step 4: Simplify right side
    1,371,606,411.99x = 1,455,215,214,332,979,968
  5. Step 5: Solve for x
    x = 1,455,215,214,332,979,968/1,371,606,411.99
  6. Step 6: Final answer
    x = 1,060,956,847.10

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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.