Home / 602,678,614.60-904,020,969.10-188,120,685

Finding the Fourth Proportional to 602,678,614.60, 904,020,969.10 and 188,120,685

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Solution

The fourth proportional to 602,678,614.60, 904,020,969.10 and 188,120,685 is: 282,181,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,678,614.60 : 904,020,969.10 = 188,120,685 : x
  2. Step 2: Convert to fraction form
    602,678,614.60/904,020,969.10 = 188,120,685/x
  3. Step 3: Cross multiply
    602,678,614.60x = 904,020,969.10 × 188,120,685
  4. Step 4: Simplify right side
    602,678,614.60x = 170,065,043,961,455,840
  5. Step 5: Solve for x
    x = 170,065,043,961,455,840/602,678,614.60
  6. Step 6: Final answer
    x = 282,181,978.66

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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.