Home / 1,256,184,538.60-1,733,697,378.66-720,545,181.16

Finding the Fourth Proportional to 1,256,184,538.60, 1,733,697,378.66 and 720,545,181.16

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Solution

The fourth proportional to 1,256,184,538.60, 1,733,697,378.66 and 720,545,181.16 is: 994,445,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,184,538.60 : 1,733,697,378.66 = 720,545,181.16 : x
  2. Step 2: Convert to fraction form
    1,256,184,538.60/1,733,697,378.66 = 720,545,181.16/x
  3. Step 3: Cross multiply
    1,256,184,538.60x = 1,733,697,378.66 × 720,545,181.16
  4. Step 4: Simplify right side
    1,256,184,538.60x = 1,249,207,291,783,186,944
  5. Step 5: Solve for x
    x = 1,249,207,291,783,186,944/1,256,184,538.60
  6. Step 6: Final answer
    x = 994,445,683.26

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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.