Home / 661,400,053.13-912,267,381.34-435,266,989.01

Finding the Fourth Proportional to 661,400,053.13, 912,267,381.34 and 435,266,989.01

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Solution

The fourth proportional to 661,400,053.13, 912,267,381.34 and 435,266,989.01 is: 600,362,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,400,053.13 : 912,267,381.34 = 435,266,989.01 : x
  2. Step 2: Convert to fraction form
    661,400,053.13/912,267,381.34 = 435,266,989.01/x
  3. Step 3: Cross multiply
    661,400,053.13x = 912,267,381.34 × 435,266,989.01
  4. Step 4: Simplify right side
    661,400,053.13x = 397,079,876,247,899,264
  5. Step 5: Solve for x
    x = 397,079,876,247,899,264/661,400,053.13
  6. Step 6: Final answer
    x = 600,362,631.31

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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.