Home / 538,273,492.50-742,817,718.81-290,754,849.18

Finding the Fourth Proportional to 538,273,492.50, 742,817,718.81 and 290,754,849.18

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Solution

The fourth proportional to 538,273,492.50, 742,817,718.81 and 290,754,849.18 is: 401,241,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,492.50 : 742,817,718.81 = 290,754,849.18 : x
  2. Step 2: Convert to fraction form
    538,273,492.50/742,817,718.81 = 290,754,849.18/x
  3. Step 3: Cross multiply
    538,273,492.50x = 742,817,718.81 × 290,754,849.18
  4. Step 4: Simplify right side
    538,273,492.50x = 215,977,853,800,833,184
  5. Step 5: Solve for x
    x = 215,977,853,800,833,184/538,273,492.50
  6. Step 6: Final answer
    x = 401,241,853.46

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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.