Home / 652,255,901.29-977,149,379.04-385,563,176.36

Finding the Fourth Proportional to 652,255,901.29, 977,149,379.04 and 385,563,176.36

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Solution

The fourth proportional to 652,255,901.29, 977,149,379.04 and 385,563,176.36 is: 577,615,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,255,901.29 : 977,149,379.04 = 385,563,176.36 : x
  2. Step 2: Convert to fraction form
    652,255,901.29/977,149,379.04 = 385,563,176.36/x
  3. Step 3: Cross multiply
    652,255,901.29x = 977,149,379.04 × 385,563,176.36
  4. Step 4: Simplify right side
    652,255,901.29x = 376,752,818,355,978,240
  5. Step 5: Solve for x
    x = 376,752,818,355,978,240/652,255,901.29
  6. Step 6: Final answer
    x = 577,615,039.76

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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.