Home / 1,299,901,254.15-1,793,712,393.45-727,715,638.61

Finding the Fourth Proportional to 1,299,901,254.15, 1,793,712,393.45 and 727,715,638.61

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Solution

The fourth proportional to 1,299,901,254.15, 1,793,712,393.45 and 727,715,638.61 is: 1,004,162,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,901,254.15 : 1,793,712,393.45 = 727,715,638.61 : x
  2. Step 2: Convert to fraction form
    1,299,901,254.15/1,793,712,393.45 = 727,715,638.61/x
  3. Step 3: Cross multiply
    1,299,901,254.15x = 1,793,712,393.45 × 727,715,638.61
  4. Step 4: Simplify right side
    1,299,901,254.15x = 1,305,312,559,873,169,920
  5. Step 5: Solve for x
    x = 1,305,312,559,873,169,920/1,299,901,254.15
  6. Step 6: Final answer
    x = 1,004,162,859.07

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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.