Home / 698,970,599.03-964,573,355.76-381,437,127.52

Finding the Fourth Proportional to 698,970,599.03, 964,573,355.76 and 381,437,127.52

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Solution

The fourth proportional to 698,970,599.03, 964,573,355.76 and 381,437,127.52 is: 526,379,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,970,599.03 : 964,573,355.76 = 381,437,127.52 : x
  2. Step 2: Convert to fraction form
    698,970,599.03/964,573,355.76 = 381,437,127.52/x
  3. Step 3: Cross multiply
    698,970,599.03x = 964,573,355.76 × 381,437,127.52
  4. Step 4: Simplify right side
    698,970,599.03x = 367,924,090,103,421,440
  5. Step 5: Solve for x
    x = 367,924,090,103,421,440/698,970,599.03
  6. Step 6: Final answer
    x = 526,379,923.01

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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.