Home / 706,446,876.26-974,879,484.03-388,904,541.32

Finding the Fourth Proportional to 706,446,876.26, 974,879,484.03 and 388,904,541.32

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Solution

The fourth proportional to 706,446,876.26, 974,879,484.03 and 388,904,541.32 is: 536,678,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,446,876.26 : 974,879,484.03 = 388,904,541.32 : x
  2. Step 2: Convert to fraction form
    706,446,876.26/974,879,484.03 = 388,904,541.32/x
  3. Step 3: Cross multiply
    706,446,876.26x = 974,879,484.03 × 388,904,541.32
  4. Step 4: Simplify right side
    706,446,876.26x = 379,135,058,574,091,008
  5. Step 5: Solve for x
    x = 379,135,058,574,091,008/706,446,876.26
  6. Step 6: Final answer
    x = 536,678,795.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.