Home / 1,306,962,814.36-1,803,562,873.28-712,235,162.88

Finding the Fourth Proportional to 1,306,962,814.36, 1,803,562,873.28 and 712,235,162.88

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Solution

The fourth proportional to 1,306,962,814.36, 1,803,562,873.28 and 712,235,162.88 is: 982,859,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,962,814.36 : 1,803,562,873.28 = 712,235,162.88 : x
  2. Step 2: Convert to fraction form
    1,306,962,814.36/1,803,562,873.28 = 712,235,162.88/x
  3. Step 3: Cross multiply
    1,306,962,814.36x = 1,803,562,873.28 × 712,235,162.88
  4. Step 4: Simplify right side
    1,306,962,814.36x = 1,284,560,896,814,901,504
  5. Step 5: Solve for x
    x = 1,284,560,896,814,901,504/1,306,962,814.36
  6. Step 6: Final answer
    x = 982,859,560.12

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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.