Home / 886,671,337.88-1,223,553,857.40-490,170,681.68

Finding the Fourth Proportional to 886,671,337.88, 1,223,553,857.40 and 490,170,681.68

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Solution

The fourth proportional to 886,671,337.88, 1,223,553,857.40 and 490,170,681.68 is: 676,406,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,671,337.88 : 1,223,553,857.40 = 490,170,681.68 : x
  2. Step 2: Convert to fraction form
    886,671,337.88/1,223,553,857.40 = 490,170,681.68/x
  3. Step 3: Cross multiply
    886,671,337.88x = 1,223,553,857.40 × 490,170,681.68
  4. Step 4: Simplify right side
    886,671,337.88x = 599,750,228,353,951,616
  5. Step 5: Solve for x
    x = 599,750,228,353,951,616/886,671,337.88
  6. Step 6: Final answer
    x = 676,406,468.48

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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.