Home / 889,008,112.80-1,333,653,886.80-371,172,002.40

Finding the Fourth Proportional to 889,008,112.80, 1,333,653,886.80 and 371,172,002.40

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Solution

The fourth proportional to 889,008,112.80, 1,333,653,886.80 and 371,172,002.40 is: 556,817,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,008,112.80 : 1,333,653,886.80 = 371,172,002.40 : x
  2. Step 2: Convert to fraction form
    889,008,112.80/1,333,653,886.80 = 371,172,002.40/x
  3. Step 3: Cross multiply
    889,008,112.80x = 1,333,653,886.80 × 371,172,002.40
  4. Step 4: Simplify right side
    889,008,112.80x = 495,014,983,672,098,880
  5. Step 5: Solve for x
    x = 495,014,983,672,098,880/889,008,112.80
  6. Step 6: Final answer
    x = 556,817,172.47

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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.