Home / 1,184,210,041.32-1,634,145,114.05-648,258,025.78

Finding the Fourth Proportional to 1,184,210,041.32, 1,634,145,114.05 and 648,258,025.78

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Solution

The fourth proportional to 1,184,210,041.32, 1,634,145,114.05 and 648,258,025.78 is: 894,560,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,210,041.32 : 1,634,145,114.05 = 648,258,025.78 : x
  2. Step 2: Convert to fraction form
    1,184,210,041.32/1,634,145,114.05 = 648,258,025.78/x
  3. Step 3: Cross multiply
    1,184,210,041.32x = 1,634,145,114.05 × 648,258,025.78
  4. Step 4: Simplify right side
    1,184,210,041.32x = 1,059,347,685,472,085,888
  5. Step 5: Solve for x
    x = 1,059,347,685,472,085,888/1,184,210,041.32
  6. Step 6: Final answer
    x = 894,560,634.10

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Double scale
Find fourth proportional to 1,184,210,042.32, 1,634,145,115.43 and 648,258,026.78
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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.