Home / 698,956,938.01-964,581,073.73-381,437,685.24

Finding the Fourth Proportional to 698,956,938.01, 964,581,073.73 and 381,437,685.24

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Solution

The fourth proportional to 698,956,938.01, 964,581,073.73 and 381,437,685.24 is: 526,395,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,956,938.01 : 964,581,073.73 = 381,437,685.24 : x
  2. Step 2: Convert to fraction form
    698,956,938.01/964,581,073.73 = 381,437,685.24/x
  3. Step 3: Cross multiply
    698,956,938.01x = 964,581,073.73 × 381,437,685.24
  4. Step 4: Simplify right side
    698,956,938.01x = 367,927,571,989,884,992
  5. Step 5: Solve for x
    x = 367,927,571,989,884,992/698,956,938.01
  6. Step 6: Final answer
    x = 526,395,192.58

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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.