Home / 808,731,569.10-1,213,097,353.65-776,986,826.70

Finding the Fourth Proportional to 808,731,569.10, 1,213,097,353.65 and 776,986,826.70

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Solution

The fourth proportional to 808,731,569.10, 1,213,097,353.65 and 776,986,826.70 is: 1,165,480,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,731,569.10 : 1,213,097,353.65 = 776,986,826.70 : x
  2. Step 2: Convert to fraction form
    808,731,569.10/1,213,097,353.65 = 776,986,826.70/x
  3. Step 3: Cross multiply
    808,731,569.10x = 1,213,097,353.65 × 776,986,826.70
  4. Step 4: Simplify right side
    808,731,569.10x = 942,560,663,290,681,344
  5. Step 5: Solve for x
    x = 942,560,663,290,681,344/808,731,569.10
  6. Step 6: Final answer
    x = 1,165,480,240.05

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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.