Home / 371,027,054.49-512,216,118.64-286,068,617.20

Finding the Fourth Proportional to 371,027,054.49, 512,216,118.64 and 286,068,617.20

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Solution

The fourth proportional to 371,027,054.49, 512,216,118.64 and 286,068,617.20 is: 394,927,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,027,054.49 : 512,216,118.64 = 286,068,617.20 : x
  2. Step 2: Convert to fraction form
    371,027,054.49/512,216,118.64 = 286,068,617.20/x
  3. Step 3: Cross multiply
    371,027,054.49x = 512,216,118.64 × 286,068,617.20
  4. Step 4: Simplify right side
    371,027,054.49x = 146,528,956,764,835,936
  5. Step 5: Solve for x
    x = 146,528,956,764,835,936/371,027,054.49
  6. Step 6: Final answer
    x = 394,927,957.38

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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.