Home / 797,411,911.02-1,196,112,847.38-429,120,345.60

Finding the Fourth Proportional to 797,411,911.02, 1,196,112,847.38 and 429,120,345.60

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Solution

The fourth proportional to 797,411,911.02, 1,196,112,847.38 and 429,120,345.60 is: 643,677,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,911.02 : 1,196,112,847.38 = 429,120,345.60 : x
  2. Step 2: Convert to fraction form
    797,411,911.02/1,196,112,847.38 = 429,120,345.60/x
  3. Step 3: Cross multiply
    797,411,911.02x = 1,196,112,847.38 × 429,120,345.60
  4. Step 4: Simplify right side
    797,411,911.02x = 513,276,358,444,305,728
  5. Step 5: Solve for x
    x = 513,276,358,444,305,728/797,411,911.02
  6. Step 6: Final answer
    x = 643,677,817.39

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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.