Home / 349,360,138,897.60-524,040,208,346.40-291,312,609,937.60

Finding the Fourth Proportional to 349,360,138,897.60, 524,040,208,346.40 and 291,312,609,937.60

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Solution

The fourth proportional to 349,360,138,897.60, 524,040,208,346.40 and 291,312,609,937.60 is: 436,968,914,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,360,138,897.60 : 524,040,208,346.40 = 291,312,609,937.60 : x
  2. Step 2: Convert to fraction form
    349,360,138,897.60/524,040,208,346.40 = 291,312,609,937.60/x
  3. Step 3: Cross multiply
    349,360,138,897.60x = 524,040,208,346.40 × 291,312,609,937.60
  4. Step 4: Simplify right side
    349,360,138,897.60x = 152,659,520,805,633,446,117,376
  5. Step 5: Solve for x
    x = 152,659,520,805,633,446,117,376/349,360,138,897.60
  6. Step 6: Final answer
    x = 436,968,914,906.40

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1.5x scale

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.