Home / 406,728,030.30-610,092,045.45-130,378,710.30

Finding the Fourth Proportional to 406,728,030.30, 610,092,045.45 and 130,378,710.30

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Solution

The fourth proportional to 406,728,030.30, 610,092,045.45 and 130,378,710.30 is: 195,568,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,728,030.30 : 610,092,045.45 = 130,378,710.30 : x
  2. Step 2: Convert to fraction form
    406,728,030.30/610,092,045.45 = 130,378,710.30/x
  3. Step 3: Cross multiply
    406,728,030.30x = 610,092,045.45 × 130,378,710.30
  4. Step 4: Simplify right side
    406,728,030.30x = 79,543,014,050,059,984
  5. Step 5: Solve for x
    x = 79,543,014,050,059,984/406,728,030.30
  6. Step 6: Final answer
    x = 195,568,065.45

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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.