Home / 450,685,219.70-621,949,255.54-249,745,451.16

Finding the Fourth Proportional to 450,685,219.70, 621,949,255.54 and 249,745,451.16

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Solution

The fourth proportional to 450,685,219.70, 621,949,255.54 and 249,745,451.16 is: 344,650,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,685,219.70 : 621,949,255.54 = 249,745,451.16 : x
  2. Step 2: Convert to fraction form
    450,685,219.70/621,949,255.54 = 249,745,451.16/x
  3. Step 3: Cross multiply
    450,685,219.70x = 621,949,255.54 × 249,745,451.16
  4. Step 4: Simplify right side
    450,685,219.70x = 155,328,997,423,463,424
  5. Step 5: Solve for x
    x = 155,328,997,423,463,424/450,685,219.70
  6. Step 6: Final answer
    x = 344,650,746.54

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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.