Home / 631,891,591.52-947,878,975.44-165,564,433.76

Finding the Fourth Proportional to 631,891,591.52, 947,878,975.44 and 165,564,433.76

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Solution

The fourth proportional to 631,891,591.52, 947,878,975.44 and 165,564,433.76 is: 248,357,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,891,591.52 : 947,878,975.44 = 165,564,433.76 : x
  2. Step 2: Convert to fraction form
    631,891,591.52/947,878,975.44 = 165,564,433.76/x
  3. Step 3: Cross multiply
    631,891,591.52x = 947,878,975.44 × 165,564,433.76
  4. Step 4: Simplify right side
    631,891,591.52x = 156,935,045,841,732,544
  5. Step 5: Solve for x
    x = 156,935,045,841,732,544/631,891,591.52
  6. Step 6: Final answer
    x = 248,357,547.32

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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.