Home / 417,535,279.61-626,294,729.50-168,533,913.47

Finding the Fourth Proportional to 417,535,279.61, 626,294,729.50 and 168,533,913.47

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Solution

The fourth proportional to 417,535,279.61, 626,294,729.50 and 168,533,913.47 is: 252,797,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,535,279.61 : 626,294,729.50 = 168,533,913.47 : x
  2. Step 2: Convert to fraction form
    417,535,279.61/626,294,729.50 = 168,533,913.47/x
  3. Step 3: Cross multiply
    417,535,279.61x = 626,294,729.50 × 168,533,913.47
  4. Step 4: Simplify right side
    417,535,279.61x = 105,551,901,744,717,248
  5. Step 5: Solve for x
    x = 105,551,901,744,717,248/417,535,279.61
  6. Step 6: Final answer
    x = 252,797,564.42

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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.