Home / 1,284,159,613.10-1,772,149,336.02-697,448,749.10

Finding the Fourth Proportional to 1,284,159,613.10, 1,772,149,336.02 and 697,448,749.10

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Solution

The fourth proportional to 1,284,159,613.10, 1,772,149,336.02 and 697,448,749.10 is: 962,484,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,159,613.10 : 1,772,149,336.02 = 697,448,749.10 : x
  2. Step 2: Convert to fraction form
    1,284,159,613.10/1,772,149,336.02 = 697,448,749.10/x
  3. Step 3: Cross multiply
    1,284,159,613.10x = 1,772,149,336.02 × 697,448,749.10
  4. Step 4: Simplify right side
    1,284,159,613.10x = 1,235,983,337,616,683,776
  5. Step 5: Solve for x
    x = 1,235,983,337,616,683,776/1,284,159,613.10
  6. Step 6: Final answer
    x = 962,484,199.79

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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.