Home / 577,375,541.40-866,063,312.10-393,709,531.80

Finding the Fourth Proportional to 577,375,541.40, 866,063,312.10 and 393,709,531.80

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Solution

The fourth proportional to 577,375,541.40, 866,063,312.10 and 393,709,531.80 is: 590,564,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,375,541.40 : 866,063,312.10 = 393,709,531.80 : x
  2. Step 2: Convert to fraction form
    577,375,541.40/866,063,312.10 = 393,709,531.80/x
  3. Step 3: Cross multiply
    577,375,541.40x = 866,063,312.10 × 393,709,531.80
  4. Step 4: Simplify right side
    577,375,541.40x = 340,977,381,116,048,320
  5. Step 5: Solve for x
    x = 340,977,381,116,048,320/577,375,541.40
  6. Step 6: Final answer
    x = 590,564,297.70

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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.