Home / 1,312,765,782.63-1,969,152,009.12-536,411,444.37

Finding the Fourth Proportional to 1,312,765,782.63, 1,969,152,009.12 and 536,411,444.37

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Solution

The fourth proportional to 1,312,765,782.63, 1,969,152,009.12 and 536,411,444.37 is: 804,618,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,765,782.63 : 1,969,152,009.12 = 536,411,444.37 : x
  2. Step 2: Convert to fraction form
    1,312,765,782.63/1,969,152,009.12 = 536,411,444.37/x
  3. Step 3: Cross multiply
    1,312,765,782.63x = 1,969,152,009.12 × 536,411,444.37
  4. Step 4: Simplify right side
    1,312,765,782.63x = 1,056,275,673,396,146,560
  5. Step 5: Solve for x
    x = 1,056,275,673,396,146,560/1,312,765,782.63
  6. Step 6: Final answer
    x = 804,618,529.35

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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.