Home / 790,422,425.01-1,090,780,008.39-437,998,136.40

Finding the Fourth Proportional to 790,422,425.01, 1,090,780,008.39 and 437,998,136.40

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Solution

The fourth proportional to 790,422,425.01, 1,090,780,008.39 and 437,998,136.40 is: 604,435,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,422,425.01 : 1,090,780,008.39 = 437,998,136.40 : x
  2. Step 2: Convert to fraction form
    790,422,425.01/1,090,780,008.39 = 437,998,136.40/x
  3. Step 3: Cross multiply
    790,422,425.01x = 1,090,780,008.39 × 437,998,136.40
  4. Step 4: Simplify right side
    790,422,425.01x = 477,759,610,897,196,416
  5. Step 5: Solve for x
    x = 477,759,610,897,196,416/790,422,425.01
  6. Step 6: Final answer
    x = 604,435,800.12

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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.