Home / 1,112,103,678.23-1,534,601,633.74-659,903,709.77

Finding the Fourth Proportional to 1,112,103,678.23, 1,534,601,633.74 and 659,903,709.77

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Solution

The fourth proportional to 1,112,103,678.23, 1,534,601,633.74 and 659,903,709.77 is: 910,606,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,103,678.23 : 1,534,601,633.74 = 659,903,709.77 : x
  2. Step 2: Convert to fraction form
    1,112,103,678.23/1,534,601,633.74 = 659,903,709.77/x
  3. Step 3: Cross multiply
    1,112,103,678.23x = 1,534,601,633.74 × 659,903,709.77
  4. Step 4: Simplify right side
    1,112,103,678.23x = 1,012,689,311,124,128,768
  5. Step 5: Solve for x
    x = 1,012,689,311,124,128,768/1,112,103,678.23
  6. Step 6: Final answer
    x = 910,606,925.37

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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.