Home / 575,492,743.80-863,239,115.70-403,164,142.20

Finding the Fourth Proportional to 575,492,743.80, 863,239,115.70 and 403,164,142.20

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Solution

The fourth proportional to 575,492,743.80, 863,239,115.70 and 403,164,142.20 is: 604,746,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,492,743.80 : 863,239,115.70 = 403,164,142.20 : x
  2. Step 2: Convert to fraction form
    575,492,743.80/863,239,115.70 = 403,164,142.20/x
  3. Step 3: Cross multiply
    575,492,743.80x = 863,239,115.70 × 403,164,142.20
  4. Step 4: Simplify right side
    575,492,743.80x = 348,027,057,594,677,056
  5. Step 5: Solve for x
    x = 348,027,057,594,677,056/575,492,743.80
  6. Step 6: Final answer
    x = 604,746,213.30

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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.