Home / 651,209,817.17-898,675,223.65-353,852,058.33

Finding the Fourth Proportional to 651,209,817.17, 898,675,223.65 and 353,852,058.33

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Solution

The fourth proportional to 651,209,817.17, 898,675,223.65 and 353,852,058.33 is: 488,318,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,209,817.17 : 898,675,223.65 = 353,852,058.33 : x
  2. Step 2: Convert to fraction form
    651,209,817.17/898,675,223.65 = 353,852,058.33/x
  3. Step 3: Cross multiply
    651,209,817.17x = 898,675,223.65 × 353,852,058.33
  4. Step 4: Simplify right side
    651,209,817.17x = 317,998,077,657,848,000
  5. Step 5: Solve for x
    x = 317,998,077,657,848,000/651,209,817.17
  6. Step 6: Final answer
    x = 488,318,924.67

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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.