Home / 682,703,459.91-942,133,254.48-369,437,639.85

Finding the Fourth Proportional to 682,703,459.91, 942,133,254.48 and 369,437,639.85

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Solution

The fourth proportional to 682,703,459.91, 942,133,254.48 and 369,437,639.85 is: 509,825,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,703,459.91 : 942,133,254.48 = 369,437,639.85 : x
  2. Step 2: Convert to fraction form
    682,703,459.91/942,133,254.48 = 369,437,639.85/x
  3. Step 3: Cross multiply
    682,703,459.91x = 942,133,254.48 × 369,437,639.85
  4. Step 4: Simplify right side
    682,703,459.91x = 348,059,485,959,290,688
  5. Step 5: Solve for x
    x = 348,059,485,959,290,688/682,703,459.91
  6. Step 6: Final answer
    x = 509,825,284.91

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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.