Home / 403,399,855.59-604,640,778.04-245,484,581.32

Finding the Fourth Proportional to 403,399,855.59, 604,640,778.04 and 245,484,581.32

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Solution

The fourth proportional to 403,399,855.59, 604,640,778.04 and 245,484,581.32 is: 367,947,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,399,855.59 : 604,640,778.04 = 245,484,581.32 : x
  2. Step 2: Convert to fraction form
    403,399,855.59/604,640,778.04 = 245,484,581.32/x
  3. Step 3: Cross multiply
    403,399,855.59x = 604,640,778.04 × 245,484,581.32
  4. Step 4: Simplify right side
    403,399,855.59x = 148,429,988,246,148,448
  5. Step 5: Solve for x
    x = 148,429,988,246,148,448/403,399,855.59
  6. Step 6: Final answer
    x = 367,947,549.28

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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.