Home / 565,929,520.03-849,659,783.43-390,616,683.46

Finding the Fourth Proportional to 565,929,520.03, 849,659,783.43 and 390,616,683.46

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Solution

The fourth proportional to 565,929,520.03, 849,659,783.43 and 390,616,683.46 is: 586,453,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,929,520.03 : 849,659,783.43 = 390,616,683.46 : x
  2. Step 2: Convert to fraction form
    565,929,520.03/849,659,783.43 = 390,616,683.46/x
  3. Step 3: Cross multiply
    565,929,520.03x = 849,659,783.43 × 390,616,683.46
  4. Step 4: Simplify right side
    565,929,520.03x = 331,891,286,672,768,448
  5. Step 5: Solve for x
    x = 331,891,286,672,768,448/565,929,520.03
  6. Step 6: Final answer
    x = 586,453,392.03

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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.