Home / 411,739,547.49-617,629,184.46-135,384,643.35

Finding the Fourth Proportional to 411,739,547.49, 617,629,184.46 and 135,384,643.35

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Solution

The fourth proportional to 411,739,547.49, 617,629,184.46 and 135,384,643.35 is: 203,083,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,739,547.49 : 617,629,184.46 = 135,384,643.35 : x
  2. Step 2: Convert to fraction form
    411,739,547.49/617,629,184.46 = 135,384,643.35/x
  3. Step 3: Cross multiply
    411,739,547.49x = 617,629,184.46 × 135,384,643.35
  4. Step 4: Simplify right side
    411,739,547.49x = 83,617,506,860,668,464
  5. Step 5: Solve for x
    x = 83,617,506,860,668,464/411,739,547.49
  6. Step 6: Final answer
    x = 203,083,496.28

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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.