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Finding the Fourth Proportional to 604,255,578.78, 902,943,511.04 and 453,708,607.26

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Solution

The fourth proportional to 604,255,578.78, 902,943,511.04 and 453,708,607.26 is: 677,980,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,255,578.78 : 902,943,511.04 = 453,708,607.26 : x
  2. Step 2: Convert to fraction form
    604,255,578.78/902,943,511.04 = 453,708,607.26/x
  3. Step 3: Cross multiply
    604,255,578.78x = 902,943,511.04 × 453,708,607.26
  4. Step 4: Simplify right side
    604,255,578.78x = 409,673,242,828,412,800
  5. Step 5: Solve for x
    x = 409,673,242,828,412,800/604,255,578.78
  6. Step 6: Final answer
    x = 677,980,075.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.