Home / 1,252,945,592.64-1,878,250,006.95-423,319,044.47

Finding the Fourth Proportional to 1,252,945,592.64, 1,878,250,006.95 and 423,319,044.47

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Solution

The fourth proportional to 1,252,945,592.64, 1,878,250,006.95 and 423,319,044.47 is: 634,583,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945,592.64 : 1,878,250,006.95 = 423,319,044.47 : x
  2. Step 2: Convert to fraction form
    1,252,945,592.64/1,878,250,006.95 = 423,319,044.47/x
  3. Step 3: Cross multiply
    1,252,945,592.64x = 1,878,250,006.95 × 423,319,044.47
  4. Step 4: Simplify right side
    1,252,945,592.64x = 795,098,998,208,453,632
  5. Step 5: Solve for x
    x = 795,098,998,208,453,632/1,252,945,592.64
  6. Step 6: Final answer
    x = 634,583,818.23

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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.