Home / 1,055,945,603.80-1,584,296,319.30-442,717,802.20

Finding the Fourth Proportional to 1,055,945,603.80, 1,584,296,319.30 and 442,717,802.20

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Solution

The fourth proportional to 1,055,945,603.80, 1,584,296,319.30 and 442,717,802.20 is: 664,235,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,945,603.80 : 1,584,296,319.30 = 442,717,802.20 : x
  2. Step 2: Convert to fraction form
    1,055,945,603.80/1,584,296,319.30 = 442,717,802.20/x
  3. Step 3: Cross multiply
    1,055,945,603.80x = 1,584,296,319.30 × 442,717,802.20
  4. Step 4: Simplify right side
    1,055,945,603.80x = 701,396,184,514,045,440
  5. Step 5: Solve for x
    x = 701,396,184,514,045,440/1,055,945,603.80
  6. Step 6: Final answer
    x = 664,235,148.09

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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.