Home / 797,411,949.52-1,196,112,905.12-429,120,384.08

Finding the Fourth Proportional to 797,411,949.52, 1,196,112,905.12 and 429,120,384.08

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Solution

The fourth proportional to 797,411,949.52, 1,196,112,905.12 and 429,120,384.08 is: 643,677,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,949.52 : 1,196,112,905.12 = 429,120,384.08 : x
  2. Step 2: Convert to fraction form
    797,411,949.52/1,196,112,905.12 = 429,120,384.08/x
  3. Step 3: Cross multiply
    797,411,949.52x = 1,196,112,905.12 × 429,120,384.08
  4. Step 4: Simplify right side
    797,411,949.52x = 513,276,429,248,138,944
  5. Step 5: Solve for x
    x = 513,276,429,248,138,944/797,411,949.52
  6. Step 6: Final answer
    x = 643,677,875.10

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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.