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Finding the Fourth Proportional to 1,310,497,048.00, 1,966,021,649.21 and 425,113,274.53

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Solution

The fourth proportional to 1,310,497,048.00, 1,966,021,649.21 and 425,113,274.53 is: 637,759,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,497,048.00 : 1,966,021,649.21 = 425,113,274.53 : x
  2. Step 2: Convert to fraction form
    1,310,497,048.00/1,966,021,649.21 = 425,113,274.53/x
  3. Step 3: Cross multiply
    1,310,497,048.00x = 1,966,021,649.21 × 425,113,274.53
  4. Step 4: Simplify right side
    1,310,497,048.00x = 835,781,901,096,054,400
  5. Step 5: Solve for x
    x = 835,781,901,096,054,400/1,310,497,048.00
  6. Step 6: Final answer
    x = 637,759,468.72

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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.