Home / 565,929,521.03-849,659,784.93-390,616,684.46

Finding the Fourth Proportional to 565,929,521.03, 849,659,784.93 and 390,616,684.46

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Solution

The fourth proportional to 565,929,521.03, 849,659,784.93 and 390,616,684.46 is: 586,453,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,929,521.03 : 849,659,784.93 = 390,616,684.46 : x
  2. Step 2: Convert to fraction form
    565,929,521.03/849,659,784.93 = 390,616,684.46/x
  3. Step 3: Cross multiply
    565,929,521.03x = 849,659,784.93 × 390,616,684.46
  4. Step 4: Simplify right side
    565,929,521.03x = 331,891,288,108,353,216
  5. Step 5: Solve for x
    x = 331,891,288,108,353,216/565,929,521.03
  6. Step 6: Final answer
    x = 586,453,393.53

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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.