Home / 1,129,868,665.37-1,694,808,410.86-342,929,154.16

Finding the Fourth Proportional to 1,129,868,665.37, 1,694,808,410.86 and 342,929,154.16

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Solution

The fourth proportional to 1,129,868,665.37, 1,694,808,410.86 and 342,929,154.16 is: 514,395,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,868,665.37 : 1,694,808,410.86 = 342,929,154.16 : x
  2. Step 2: Convert to fraction form
    1,129,868,665.37/1,694,808,410.86 = 342,929,154.16/x
  3. Step 3: Cross multiply
    1,129,868,665.37x = 1,694,808,410.86 × 342,929,154.16
  4. Step 4: Simplify right side
    1,129,868,665.37x = 581,199,214,802,020,864
  5. Step 5: Solve for x
    x = 581,199,214,802,020,864/1,129,868,665.37
  6. Step 6: Final answer
    x = 514,395,374.10

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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.