Home / 472,459,461.04-709,050,911.64-213,856,288.48

Finding the Fourth Proportional to 472,459,461.04, 709,050,911.64 and 213,856,288.48

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Solution

The fourth proportional to 472,459,461.04, 709,050,911.64 and 213,856,288.48 is: 320,948,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,459,461.04 : 709,050,911.64 = 213,856,288.48 : x
  2. Step 2: Convert to fraction form
    472,459,461.04/709,050,911.64 = 213,856,288.48/x
  3. Step 3: Cross multiply
    472,459,461.04x = 709,050,911.64 × 213,856,288.48
  4. Step 4: Simplify right side
    472,459,461.04x = 151,634,996,306,690,816
  5. Step 5: Solve for x
    x = 151,634,996,306,690,816/472,459,461.04
  6. Step 6: Final answer
    x = 320,948,163.41

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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.