Home / 898,146,871.80-1,347,220,307.70-414,417,463.80

Finding the Fourth Proportional to 898,146,871.80, 1,347,220,307.70 and 414,417,463.80

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Solution

The fourth proportional to 898,146,871.80, 1,347,220,307.70 and 414,417,463.80 is: 621,626,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,146,871.80 : 1,347,220,307.70 = 414,417,463.80 : x
  2. Step 2: Convert to fraction form
    898,146,871.80/1,347,220,307.70 = 414,417,463.80/x
  3. Step 3: Cross multiply
    898,146,871.80x = 1,347,220,307.70 × 414,417,463.80
  4. Step 4: Simplify right side
    898,146,871.80x = 558,311,623,096,889,664
  5. Step 5: Solve for x
    x = 558,311,623,096,889,664/898,146,871.80
  6. Step 6: Final answer
    x = 621,626,195.70

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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.