Home / 340,402,323,658.40-510,603,485,487.60-206,312,531,760.80

Finding the Fourth Proportional to 340,402,323,658.40, 510,603,485,487.60 and 206,312,531,760.80

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Solution

The fourth proportional to 340,402,323,658.40, 510,603,485,487.60 and 206,312,531,760.80 is: 309,468,797,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402,323,658.40 : 510,603,485,487.60 = 206,312,531,760.80 : x
  2. Step 2: Convert to fraction form
    340,402,323,658.40/510,603,485,487.60 = 206,312,531,760.80/x
  3. Step 3: Cross multiply
    340,402,323,658.40x = 510,603,485,487.60 × 206,312,531,760.80
  4. Step 4: Simplify right side
    340,402,323,658.40x = 105,343,897,816,835,651,796,992
  5. Step 5: Solve for x
    x = 105,343,897,816,835,651,796,992/340,402,323,658.40
  6. Step 6: Final answer
    x = 309,468,797,641.20

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1.5x scale

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.