Home / 6,638,112,300.40-9,957,672,335.40-1,979,622,674.80

Finding the Fourth Proportional to 6,638,112,300.40, 9,957,672,335.40 and 1,979,622,674.80

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Solution

The fourth proportional to 6,638,112,300.40, 9,957,672,335.40 and 1,979,622,674.80 is: 2,969,584,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,112,300.40 : 9,957,672,335.40 = 1,979,622,674.80 : x
  2. Step 2: Convert to fraction form
    6,638,112,300.40/9,957,672,335.40 = 1,979,622,674.80/x
  3. Step 3: Cross multiply
    6,638,112,300.40x = 9,957,672,335.40 × 1,979,622,674.80
  4. Step 4: Simplify right side
    6,638,112,300.40x = 19,712,433,943,386,509,312
  5. Step 5: Solve for x
    x = 19,712,433,943,386,509,312/6,638,112,300.40
  6. Step 6: Final answer
    x = 2,969,584,281.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.