Home / 380,056,031.80-570,084,047.70-325,636,473.40

Finding the Fourth Proportional to 380,056,031.80, 570,084,047.70 and 325,636,473.40

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Solution

The fourth proportional to 380,056,031.80, 570,084,047.70 and 325,636,473.40 is: 488,454,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,056,031.80 : 570,084,047.70 = 325,636,473.40 : x
  2. Step 2: Convert to fraction form
    380,056,031.80/570,084,047.70 = 325,636,473.40/x
  3. Step 3: Cross multiply
    380,056,031.80x = 570,084,047.70 × 325,636,473.40
  4. Step 4: Simplify right side
    380,056,031.80x = 185,640,158,834,625,376
  5. Step 5: Solve for x
    x = 185,640,158,834,625,376/380,056,031.80
  6. Step 6: Final answer
    x = 488,454,710.10

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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.