Home / 1,298,685,472.77-1,948,028,873.46-316,112,179.49

Finding the Fourth Proportional to 1,298,685,472.77, 1,948,028,873.46 and 316,112,179.49

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Solution

The fourth proportional to 1,298,685,472.77, 1,948,028,873.46 and 316,112,179.49 is: 474,168,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,685,472.77 : 1,948,028,873.46 = 316,112,179.49 : x
  2. Step 2: Convert to fraction form
    1,298,685,472.77/1,948,028,873.46 = 316,112,179.49/x
  3. Step 3: Cross multiply
    1,298,685,472.77x = 1,948,028,873.46 × 316,112,179.49
  4. Step 4: Simplify right side
    1,298,685,472.77x = 615,795,652,898,889,984
  5. Step 5: Solve for x
    x = 615,795,652,898,889,984/1,298,685,472.77
  6. Step 6: Final answer
    x = 474,168,430.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.