Home / 12,698,881,673.96-17,525,437,010.07-7,618,435,884.20

Finding the Fourth Proportional to 12,698,881,673.96, 17,525,437,010.07 and 7,618,435,884.20

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Solution

The fourth proportional to 12,698,881,673.96, 17,525,437,010.07 and 7,618,435,884.20 is: 10,514,029,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,881,673.96 : 17,525,437,010.07 = 7,618,435,884.20 : x
  2. Step 2: Convert to fraction form
    12,698,881,673.96/17,525,437,010.07 = 7,618,435,884.20/x
  3. Step 3: Cross multiply
    12,698,881,673.96x = 17,525,437,010.07 × 7,618,435,884.20
  4. Step 4: Simplify right side
    12,698,881,673.96x = 133,516,418,203,804,041,216
  5. Step 5: Solve for x
    x = 133,516,418,203,804,041,216/12,698,881,673.96
  6. Step 6: Final answer
    x = 10,514,029,631.25

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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.