Home / 1,257,759,727.36-1,735,685,174.64-685,547,710.72

Finding the Fourth Proportional to 1,257,759,727.36, 1,735,685,174.64 and 685,547,710.72

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Solution

The fourth proportional to 1,257,759,727.36, 1,735,685,174.64 and 685,547,710.72 is: 946,043,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,759,727.36 : 1,735,685,174.64 = 685,547,710.72 : x
  2. Step 2: Convert to fraction form
    1,257,759,727.36/1,735,685,174.64 = 685,547,710.72/x
  3. Step 3: Cross multiply
    1,257,759,727.36x = 1,735,685,174.64 × 685,547,710.72
  4. Step 4: Simplify right side
    1,257,759,727.36x = 1,189,894,998,005,095,424
  5. Step 5: Solve for x
    x = 1,189,894,998,005,095,424/1,257,759,727.36
  6. Step 6: Final answer
    x = 946,043,168.76

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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.