Home / 616,207,480-850,457,594.15-390,167,476

Finding the Fourth Proportional to 616,207,480, 850,457,594.15 and 390,167,476

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Solution

The fourth proportional to 616,207,480, 850,457,594.15 and 390,167,476 is: 538,488,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,207,480 : 850,457,594.15 = 390,167,476 : x
  2. Step 2: Convert to fraction form
    616,207,480/850,457,594.15 = 390,167,476/x
  3. Step 3: Cross multiply
    616,207,480x = 850,457,594.15 × 390,167,476
  4. Step 4: Simplify right side
    616,207,480x = 331,820,892,952,587,008
  5. Step 5: Solve for x
    x = 331,820,892,952,587,008/616,207,480
  6. Step 6: Final answer
    x = 538,488,907.91

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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.