Home / 640,107,465.16-883,351,008.66-346,752,033.16

Finding the Fourth Proportional to 640,107,465.16, 883,351,008.66 and 346,752,033.16

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Solution

The fourth proportional to 640,107,465.16, 883,351,008.66 and 346,752,033.16 is: 478,519,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,107,465.16 : 883,351,008.66 = 346,752,033.16 : x
  2. Step 2: Convert to fraction form
    640,107,465.16/883,351,008.66 = 346,752,033.16/x
  3. Step 3: Cross multiply
    640,107,465.16x = 883,351,008.66 × 346,752,033.16
  4. Step 4: Simplify right side
    640,107,465.16x = 306,303,758,246,791,808
  5. Step 5: Solve for x
    x = 306,303,758,246,791,808/640,107,465.16
  6. Step 6: Final answer
    x = 478,519,272.03

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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.