Home / 501,464,706.16-692,017,683.30-278,445,293.68

Finding the Fourth Proportional to 501,464,706.16, 692,017,683.30 and 278,445,293.68

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Solution

The fourth proportional to 501,464,706.16, 692,017,683.30 and 278,445,293.68 is: 384,252,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,464,706.16 : 692,017,683.30 = 278,445,293.68 : x
  2. Step 2: Convert to fraction form
    501,464,706.16/692,017,683.30 = 278,445,293.68/x
  3. Step 3: Cross multiply
    501,464,706.16x = 692,017,683.30 × 278,445,293.68
  4. Step 4: Simplify right side
    501,464,706.16x = 192,689,067,058,221,728
  5. Step 5: Solve for x
    x = 192,689,067,058,221,728/501,464,706.16
  6. Step 6: Final answer
    x = 384,252,500.11

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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.