Home / 1,108,894,085.96-1,530,285,931.86-613,865,061.32

Finding the Fourth Proportional to 1,108,894,085.96, 1,530,285,931.86 and 613,865,061.32

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Solution

The fourth proportional to 1,108,894,085.96, 1,530,285,931.86 and 613,865,061.32 is: 847,140,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894,085.96 : 1,530,285,931.86 = 613,865,061.32 : x
  2. Step 2: Convert to fraction form
    1,108,894,085.96/1,530,285,931.86 = 613,865,061.32/x
  3. Step 3: Cross multiply
    1,108,894,085.96x = 1,530,285,931.86 × 613,865,061.32
  4. Step 4: Simplify right side
    1,108,894,085.96x = 939,389,067,398,372,224
  5. Step 5: Solve for x
    x = 939,389,067,398,372,224/1,108,894,085.96
  6. Step 6: Final answer
    x = 847,140,479.23

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Half scale
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Double scale
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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.