Home / 790,586,861.96-1,090,373,715.80-695,013,019.64

Finding the Fourth Proportional to 790,586,861.96, 1,090,373,715.80 and 695,013,019.64

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Solution

The fourth proportional to 790,586,861.96, 1,090,373,715.80 and 695,013,019.64 is: 958,558,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,586,861.96 : 1,090,373,715.80 = 695,013,019.64 : x
  2. Step 2: Convert to fraction form
    790,586,861.96/1,090,373,715.80 = 695,013,019.64/x
  3. Step 3: Cross multiply
    790,586,861.96x = 1,090,373,715.80 × 695,013,019.64
  4. Step 4: Simplify right side
    790,586,861.96x = 757,823,928,754,245,120
  5. Step 5: Solve for x
    x = 757,823,928,754,245,120/790,586,861.96
  6. Step 6: Final answer
    x = 958,558,717.86

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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.