Home / 977,293,612.45-1,348,655,603.78-531,230,435.96

Finding the Fourth Proportional to 977,293,612.45, 1,348,655,603.78 and 531,230,435.96

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Solution

The fourth proportional to 977,293,612.45, 1,348,655,603.78 and 531,230,435.96 is: 733,092,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,293,612.45 : 1,348,655,603.78 = 531,230,435.96 : x
  2. Step 2: Convert to fraction form
    977,293,612.45/1,348,655,603.78 = 531,230,435.96/x
  3. Step 3: Cross multiply
    977,293,612.45x = 1,348,655,603.78 × 531,230,435.96
  4. Step 4: Simplify right side
    977,293,612.45x = 716,446,904,350,531,200
  5. Step 5: Solve for x
    x = 716,446,904,350,531,200/977,293,612.45
  6. Step 6: Final answer
    x = 733,092,793.43

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1.5x scale

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.