Home / 920,910,298,444.20-1,270,770,926,432.30-509,369,919,645.89

Finding the Fourth Proportional to 920,910,298,444.20, 1,270,770,926,432.30 and 509,369,919,645.89

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Solution

The fourth proportional to 920,910,298,444.20, 1,270,770,926,432.30 and 509,369,919,645.89 is: 702,883,316,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,910,298,444.20 : 1,270,770,926,432.30 = 509,369,919,645.89 : x
  2. Step 2: Convert to fraction form
    920,910,298,444.20/1,270,770,926,432.30 = 509,369,919,645.89/x
  3. Step 3: Cross multiply
    920,910,298,444.20x = 1,270,770,926,432.30 × 509,369,919,645.89
  4. Step 4: Simplify right side
    920,910,298,444.20x = 647,292,484,685,153,924,284,416
  5. Step 5: Solve for x
    x = 647,292,484,685,153,924,284,416/920,910,298,444.20
  6. Step 6: Final answer
    x = 702,883,316,408.45

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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.