Home / 1,202,187,038,978.90-1,659,019,182,812.20-653,478,343,913.88

Finding the Fourth Proportional to 1,202,187,038,978.90, 1,659,019,182,812.20 and 653,478,343,913.88

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Solution

The fourth proportional to 1,202,187,038,978.90, 1,659,019,182,812.20 and 653,478,343,913.88 is: 901,800,695,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,187,038,978.90 : 1,659,019,182,812.20 = 653,478,343,913.88 : x
  2. Step 2: Convert to fraction form
    1,202,187,038,978.90/1,659,019,182,812.20 = 653,478,343,913.88/x
  3. Step 3: Cross multiply
    1,202,187,038,978.90x = 1,659,019,182,812.20 × 653,478,343,913.88
  4. Step 4: Simplify right side
    1,202,187,038,978.90x = 1,084,133,108,105,474,998,272,000
  5. Step 5: Solve for x
    x = 1,084,133,108,105,474,998,272,000/1,202,187,038,978.90
  6. Step 6: Final answer
    x = 901,800,695,693.99

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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.