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Finding the Fourth Proportional to 660,483,706.20, 989,875,253.70 and 506,365,816.20

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Solution

The fourth proportional to 660,483,706.20, 989,875,253.70 and 506,365,816.20 is: 758,896,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,483,706.20 : 989,875,253.70 = 506,365,816.20 : x
  2. Step 2: Convert to fraction form
    660,483,706.20/989,875,253.70 = 506,365,816.20/x
  3. Step 3: Cross multiply
    660,483,706.20x = 989,875,253.70 × 506,365,816.20
  4. Step 4: Simplify right side
    660,483,706.20x = 501,238,990,775,982,592
  5. Step 5: Solve for x
    x = 501,238,990,775,982,592/660,483,706.20
  6. Step 6: Final answer
    x = 758,896,829.81

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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.