Home / 1,292,813,296,030.70-1,783,786,443,209.90-771,867,510,434.80

Finding the Fourth Proportional to 1,292,813,296,030.70, 1,783,786,443,209.90 and 771,867,510,434.80

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Solution

The fourth proportional to 1,292,813,296,030.70, 1,783,786,443,209.90 and 771,867,510,434.80 is: 1,065,000,495,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,813,296,030.70 : 1,783,786,443,209.90 = 771,867,510,434.80 : x
  2. Step 2: Convert to fraction form
    1,292,813,296,030.70/1,783,786,443,209.90 = 771,867,510,434.80/x
  3. Step 3: Cross multiply
    1,292,813,296,030.70x = 1,783,786,443,209.90 × 771,867,510,434.80
  4. Step 4: Simplify right side
    1,292,813,296,030.70x = 1,376,846,801,067,772,276,113,408
  5. Step 5: Solve for x
    x = 1,376,846,801,067,772,276,113,408/1,292,813,296,030.70
  6. Step 6: Final answer
    x = 1,065,000,495,659.41

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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.