Home / 12,120,683,916,913-16,726,410,553,004-6,564,870,170,663.40

Finding the Fourth Proportional to 12,120,683,916,913, 16,726,410,553,004 and 6,564,870,170,663.40

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Solution

The fourth proportional to 12,120,683,916,913, 16,726,410,553,004 and 6,564,870,170,663.40 is: 9,059,448,662,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,683,916,913 : 16,726,410,553,004 = 6,564,870,170,663.40 : x
  2. Step 2: Convert to fraction form
    12,120,683,916,913/16,726,410,553,004 = 6,564,870,170,663.40/x
  3. Step 3: Cross multiply
    12,120,683,916,913x = 16,726,410,553,004 × 6,564,870,170,663.40
  4. Step 4: Simplify right side
    12,120,683,916,913x = 109,806,713,701,685,464,401,969,152
  5. Step 5: Solve for x
    x = 109,806,713,701,685,464,401,969,152/12,120,683,916,913
  6. Step 6: Final answer
    x = 9,059,448,662,666.88

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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.