Home / 1,209,253,401.56-1,814,167,955.54-391,365,702.52

Finding the Fourth Proportional to 1,209,253,401.56, 1,814,167,955.54 and 391,365,702.52

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Solution

The fourth proportional to 1,209,253,401.56, 1,814,167,955.54 and 391,365,702.52 is: 587,141,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,253,401.56 : 1,814,167,955.54 = 391,365,702.52 : x
  2. Step 2: Convert to fraction form
    1,209,253,401.56/1,814,167,955.54 = 391,365,702.52/x
  3. Step 3: Cross multiply
    1,209,253,401.56x = 1,814,167,955.54 × 391,365,702.52
  4. Step 4: Simplify right side
    1,209,253,401.56x = 710,003,116,409,184,128
  5. Step 5: Solve for x
    x = 710,003,116,409,184,128/1,209,253,401.56
  6. Step 6: Final answer
    x = 587,141,715.29

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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.