Home / 661,450,758.64-912,888,967.08-379,303,614.16

Finding the Fourth Proportional to 661,450,758.64, 912,888,967.08 and 379,303,614.16

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Solution

The fourth proportional to 661,450,758.64, 912,888,967.08 and 379,303,614.16 is: 523,488,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,450,758.64 : 912,888,967.08 = 379,303,614.16 : x
  2. Step 2: Convert to fraction form
    661,450,758.64/912,888,967.08 = 379,303,614.16/x
  3. Step 3: Cross multiply
    661,450,758.64x = 912,888,967.08 × 379,303,614.16
  4. Step 4: Simplify right side
    661,450,758.64x = 346,262,084,540,233,280
  5. Step 5: Solve for x
    x = 346,262,084,540,233,280/661,450,758.64
  6. Step 6: Final answer
    x = 523,488,831.21

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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.