Home / 349,312,897.60-523,969,346.40-213,264,001.60

Finding the Fourth Proportional to 349,312,897.60, 523,969,346.40 and 213,264,001.60

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Solution

The fourth proportional to 349,312,897.60, 523,969,346.40 and 213,264,001.60 is: 319,896,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,312,897.60 : 523,969,346.40 = 213,264,001.60 : x
  2. Step 2: Convert to fraction form
    349,312,897.60/523,969,346.40 = 213,264,001.60/x
  3. Step 3: Cross multiply
    349,312,897.60x = 523,969,346.40 × 213,264,001.60
  4. Step 4: Simplify right side
    349,312,897.60x = 111,743,799,529,000,544
  5. Step 5: Solve for x
    x = 111,743,799,529,000,544/349,312,897.60
  6. Step 6: Final answer
    x = 319,896,002.40

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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.