Home / 684,241,826.94-944,273,636.52-386,877,681.44

Finding the Fourth Proportional to 684,241,826.94, 944,273,636.52 and 386,877,681.44

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Solution

The fourth proportional to 684,241,826.94, 944,273,636.52 and 386,877,681.44 is: 533,902,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,241,826.94 : 944,273,636.52 = 386,877,681.44 : x
  2. Step 2: Convert to fraction form
    684,241,826.94/944,273,636.52 = 386,877,681.44/x
  3. Step 3: Cross multiply
    684,241,826.94x = 944,273,636.52 × 386,877,681.44
  4. Step 4: Simplify right side
    684,241,826.94x = 365,318,395,141,774,912
  5. Step 5: Solve for x
    x = 365,318,395,141,774,912/684,241,826.94
  6. Step 6: Final answer
    x = 533,902,460.74

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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.