Home / 13,452,128,784.86-18,564,501,699.36-7,736,417,673.89

Finding the Fourth Proportional to 13,452,128,784.86, 18,564,501,699.36 and 7,736,417,673.89

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Solution

The fourth proportional to 13,452,128,784.86, 18,564,501,699.36 and 7,736,417,673.89 is: 10,676,580,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,128,784.86 : 18,564,501,699.36 = 7,736,417,673.89 : x
  2. Step 2: Convert to fraction form
    13,452,128,784.86/18,564,501,699.36 = 7,736,417,673.89/x
  3. Step 3: Cross multiply
    13,452,128,784.86x = 18,564,501,699.36 × 7,736,417,673.89
  4. Step 4: Simplify right side
    13,452,128,784.86x = 143,622,739,053,796,835,328
  5. Step 5: Solve for x
    x = 143,622,739,053,796,835,328/13,452,128,784.86
  6. Step 6: Final answer
    x = 10,676,580,736.83

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Double scale
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1.5x scale

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.