Home / 755,381,506.60-1,133,072,259.90-448,515,663.40

Finding the Fourth Proportional to 755,381,506.60, 1,133,072,259.90 and 448,515,663.40

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Solution

The fourth proportional to 755,381,506.60, 1,133,072,259.90 and 448,515,663.40 is: 672,773,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,381,506.60 : 1,133,072,259.90 = 448,515,663.40 : x
  2. Step 2: Convert to fraction form
    755,381,506.60/1,133,072,259.90 = 448,515,663.40/x
  3. Step 3: Cross multiply
    755,381,506.60x = 1,133,072,259.90 × 448,515,663.40
  4. Step 4: Simplify right side
    755,381,506.60x = 508,200,656,329,185,728
  5. Step 5: Solve for x
    x = 508,200,656,329,185,728/755,381,506.60
  6. Step 6: Final answer
    x = 672,773,495.10

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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.