Home / 9,726,708,939.60-13,429,447,424.32-6,161,579,579.28

Finding the Fourth Proportional to 9,726,708,939.60, 13,429,447,424.32 and 6,161,579,579.28

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Solution

The fourth proportional to 9,726,708,939.60, 13,429,447,424.32 and 6,161,579,579.28 is: 8,507,153,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726,708,939.60 : 13,429,447,424.32 = 6,161,579,579.28 : x
  2. Step 2: Convert to fraction form
    9,726,708,939.60/13,429,447,424.32 = 6,161,579,579.28/x
  3. Step 3: Cross multiply
    9,726,708,939.60x = 13,429,447,424.32 × 6,161,579,579.28
  4. Step 4: Simplify right side
    9,726,708,939.60x = 82,746,609,010,704,498,688
  5. Step 5: Solve for x
    x = 82,746,609,010,704,498,688/9,726,708,939.60
  6. Step 6: Final answer
    x = 8,507,153,809.63

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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.