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Finding the Fourth Proportional to 336,806,681.80, 505,210,022.70 and 155,408,153.80

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Solution

The fourth proportional to 336,806,681.80, 505,210,022.70 and 155,408,153.80 is: 233,112,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,806,681.80 : 505,210,022.70 = 155,408,153.80 : x
  2. Step 2: Convert to fraction form
    336,806,681.80/505,210,022.70 = 155,408,153.80/x
  3. Step 3: Cross multiply
    336,806,681.80x = 505,210,022.70 × 155,408,153.80
  4. Step 4: Simplify right side
    336,806,681.80x = 78,513,756,909,063,088
  5. Step 5: Solve for x
    x = 78,513,756,909,063,088/336,806,681.80
  6. Step 6: Final answer
    x = 233,112,230.70

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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.