Home / 555,139,628.80-832,112,246.40-209,959,878.40

Finding the Fourth Proportional to 555,139,628.80, 832,112,246.40 and 209,959,878.40

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Solution

The fourth proportional to 555,139,628.80, 832,112,246.40 and 209,959,878.40 is: 314,713,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,139,628.80 : 832,112,246.40 = 209,959,878.40 : x
  2. Step 2: Convert to fraction form
    555,139,628.80/832,112,246.40 = 209,959,878.40/x
  3. Step 3: Cross multiply
    555,139,628.80x = 832,112,246.40 × 209,959,878.40
  4. Step 4: Simplify right side
    555,139,628.80x = 174,710,186,069,294,848
  5. Step 5: Solve for x
    x = 174,710,186,069,294,848/555,139,628.80
  6. Step 6: Final answer
    x = 314,713,951.24

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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.