Home / 1,108,894,055.96-1,530,285,890.46-613,865,031.32

Finding the Fourth Proportional to 1,108,894,055.96, 1,530,285,890.46 and 613,865,031.32

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Solution

The fourth proportional to 1,108,894,055.96, 1,530,285,890.46 and 613,865,031.32 is: 847,140,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894,055.96 : 1,530,285,890.46 = 613,865,031.32 : x
  2. Step 2: Convert to fraction form
    1,108,894,055.96/1,530,285,890.46 = 613,865,031.32/x
  3. Step 3: Cross multiply
    1,108,894,055.96x = 1,530,285,890.46 × 613,865,031.32
  4. Step 4: Simplify right side
    1,108,894,055.96x = 939,388,996,075,782,144
  5. Step 5: Solve for x
    x = 939,388,996,075,782,144/1,108,894,055.96
  6. Step 6: Final answer
    x = 847,140,437.83

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Half scale
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Double scale
Find fourth proportional to 1,108,894,056.96, 1,530,285,891.84 and 613,865,032.32
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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.