Home / 1,310,061,649.32-1,807,893,816.12-715,350,263.04

Finding the Fourth Proportional to 1,310,061,649.32, 1,807,893,816.12 and 715,350,263.04

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Solution

The fourth proportional to 1,310,061,649.32, 1,807,893,816.12 and 715,350,263.04 is: 987,188,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,061,649.32 : 1,807,893,816.12 = 715,350,263.04 : x
  2. Step 2: Convert to fraction form
    1,310,061,649.32/1,807,893,816.12 = 715,350,263.04/x
  3. Step 3: Cross multiply
    1,310,061,649.32x = 1,807,893,816.12 × 715,350,263.04
  4. Step 4: Simplify right side
    1,310,061,649.32x = 1,293,277,316,909,831,168
  5. Step 5: Solve for x
    x = 1,293,277,316,909,831,168/1,310,061,649.32
  6. Step 6: Final answer
    x = 987,188,135.44

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Double scale
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Why These Related Problems?

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