Home / 1,179,075,708.64-1,767,949,916.59-391,707,835.81

Finding the Fourth Proportional to 1,179,075,708.64, 1,767,949,916.59 and 391,707,835.81

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Solution

The fourth proportional to 1,179,075,708.64, 1,767,949,916.59 and 391,707,835.81 is: 587,341,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,075,708.64 : 1,767,949,916.59 = 391,707,835.81 : x
  2. Step 2: Convert to fraction form
    1,179,075,708.64/1,767,949,916.59 = 391,707,835.81/x
  3. Step 3: Cross multiply
    1,179,075,708.64x = 1,767,949,916.59 × 391,707,835.81
  4. Step 4: Simplify right side
    1,179,075,708.64x = 692,519,835,651,749,120
  5. Step 5: Solve for x
    x = 692,519,835,651,749,120/1,179,075,708.64
  6. Step 6: Final answer
    x = 587,341,279.77

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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.