Home / 1,108,894,095.21-1,530,285,944.64-613,865,070.57

Finding the Fourth Proportional to 1,108,894,095.21, 1,530,285,944.64 and 613,865,070.57

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Solution

The fourth proportional to 1,108,894,095.21, 1,530,285,944.64 and 613,865,070.57 is: 847,140,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894,095.21 : 1,530,285,944.64 = 613,865,070.57 : x
  2. Step 2: Convert to fraction form
    1,108,894,095.21/1,530,285,944.64 = 613,865,070.57/x
  3. Step 3: Cross multiply
    1,108,894,095.21x = 1,530,285,944.64 × 613,865,070.57
  4. Step 4: Simplify right side
    1,108,894,095.21x = 939,389,089,398,712,832
  5. Step 5: Solve for x
    x = 939,389,089,398,712,832/1,108,894,095.21
  6. Step 6: Final answer
    x = 847,140,492.01

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Half scale
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Double scale
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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.