Home / 977,293,612.20-1,348,655,603.44-531,230,435.71

Finding the Fourth Proportional to 977,293,612.20, 1,348,655,603.44 and 531,230,435.71

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Solution

The fourth proportional to 977,293,612.20, 1,348,655,603.44 and 531,230,435.71 is: 733,092,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,293,612.20 : 1,348,655,603.44 = 531,230,435.71 : x
  2. Step 2: Convert to fraction form
    977,293,612.20/1,348,655,603.44 = 531,230,435.71/x
  3. Step 3: Cross multiply
    977,293,612.20x = 1,348,655,603.44 × 531,230,435.71
  4. Step 4: Simplify right side
    977,293,612.20x = 716,446,903,828,764,672
  5. Step 5: Solve for x
    x = 716,446,903,828,764,672/977,293,612.20
  6. Step 6: Final answer
    x = 733,092,793.08

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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.