Home / 878,329,248.14-1,212,017,165.58-501,911,137.36

Finding the Fourth Proportional to 878,329,248.14, 1,212,017,165.58 and 501,911,137.36

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Solution

The fourth proportional to 878,329,248.14, 1,212,017,165.58 and 501,911,137.36 is: 692,593,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,329,248.14 : 1,212,017,165.58 = 501,911,137.36 : x
  2. Step 2: Convert to fraction form
    878,329,248.14/1,212,017,165.58 = 501,911,137.36/x
  3. Step 3: Cross multiply
    878,329,248.14x = 1,212,017,165.58 × 501,911,137.36
  4. Step 4: Simplify right side
    878,329,248.14x = 608,324,914,076,101,248
  5. Step 5: Solve for x
    x = 608,324,914,076,101,248/878,329,248.14
  6. Step 6: Final answer
    x = 692,593,256.30

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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.