Home / 1,283,219,937.80-1,924,829,906.70-465,358,920.20

Finding the Fourth Proportional to 1,283,219,937.80, 1,924,829,906.70 and 465,358,920.20

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Solution

The fourth proportional to 1,283,219,937.80, 1,924,829,906.70 and 465,358,920.20 is: 698,038,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,219,937.80 : 1,924,829,906.70 = 465,358,920.20 : x
  2. Step 2: Convert to fraction form
    1,283,219,937.80/1,924,829,906.70 = 465,358,920.20/x
  3. Step 3: Cross multiply
    1,283,219,937.80x = 1,924,829,906.70 × 465,358,920.20
  4. Step 4: Simplify right side
    1,283,219,937.80x = 895,736,766,950,578,688
  5. Step 5: Solve for x
    x = 895,736,766,950,578,688/1,283,219,937.80
  6. Step 6: Final answer
    x = 698,038,380.30

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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.