Home / 1,238,050,562.61-1,708,509,718.67-681,121,652.25

Finding the Fourth Proportional to 1,238,050,562.61, 1,708,509,718.67 and 681,121,652.25

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Solution

The fourth proportional to 1,238,050,562.61, 1,708,509,718.67 and 681,121,652.25 is: 939,947,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,050,562.61 : 1,708,509,718.67 = 681,121,652.25 : x
  2. Step 2: Convert to fraction form
    1,238,050,562.61/1,708,509,718.67 = 681,121,652.25/x
  3. Step 3: Cross multiply
    1,238,050,562.61x = 1,708,509,718.67 × 681,121,652.25
  4. Step 4: Simplify right side
    1,238,050,562.61x = 1,163,702,962,462,287,360
  5. Step 5: Solve for x
    x = 1,163,702,962,462,287,360/1,238,050,562.61
  6. Step 6: Final answer
    x = 939,947,848.34

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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.