Home / 852,638,035.50-1,176,644,031.93-461,497,459.50

Finding the Fourth Proportional to 852,638,035.50, 1,176,644,031.93 and 461,497,459.50

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Solution

The fourth proportional to 852,638,035.50, 1,176,644,031.93 and 461,497,459.50 is: 636,868,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,638,035.50 : 1,176,644,031.93 = 461,497,459.50 : x
  2. Step 2: Convert to fraction form
    852,638,035.50/1,176,644,031.93 = 461,497,459.50/x
  3. Step 3: Cross multiply
    852,638,035.50x = 1,176,644,031.93 × 461,497,459.50
  4. Step 4: Simplify right side
    852,638,035.50x = 543,018,231,471,531,904
  5. Step 5: Solve for x
    x = 543,018,231,471,531,904/852,638,035.50
  6. Step 6: Final answer
    x = 636,868,411.76

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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.