Home / 645,997,529,117.60-968,996,293,676.40-434,414,286,058.40

Finding the Fourth Proportional to 645,997,529,117.60, 968,996,293,676.40 and 434,414,286,058.40

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Solution

The fourth proportional to 645,997,529,117.60, 968,996,293,676.40 and 434,414,286,058.40 is: 651,621,429,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,997,529,117.60 : 968,996,293,676.40 = 434,414,286,058.40 : x
  2. Step 2: Convert to fraction form
    645,997,529,117.60/968,996,293,676.40 = 434,414,286,058.40/x
  3. Step 3: Cross multiply
    645,997,529,117.60x = 968,996,293,676.40 × 434,414,286,058.40
  4. Step 4: Simplify right side
    645,997,529,117.60x = 420,945,833,110,669,017,219,072
  5. Step 5: Solve for x
    x = 420,945,833,110,669,017,219,072/645,997,529,117.60
  6. Step 6: Final answer
    x = 651,621,429,087.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.