Home / 730,484,390.32-1,008,041,441.95-395,949,730.12

Finding the Fourth Proportional to 730,484,390.32, 1,008,041,441.95 and 395,949,730.12

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Solution

The fourth proportional to 730,484,390.32, 1,008,041,441.95 and 395,949,730.12 is: 546,395,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,484,390.32 : 1,008,041,441.95 = 395,949,730.12 : x
  2. Step 2: Convert to fraction form
    730,484,390.32/1,008,041,441.95 = 395,949,730.12/x
  3. Step 3: Cross multiply
    730,484,390.32x = 1,008,041,441.95 × 395,949,730.12
  4. Step 4: Simplify right side
    730,484,390.32x = 399,133,736,887,833,216
  5. Step 5: Solve for x
    x = 399,133,736,887,833,216/730,484,390.32
  6. Step 6: Final answer
    x = 546,395,983.51

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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.