Home / 630,685,945.60-946,028,918.40-415,518,150.40

Finding the Fourth Proportional to 630,685,945.60, 946,028,918.40 and 415,518,150.40

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Solution

The fourth proportional to 630,685,945.60, 946,028,918.40 and 415,518,150.40 is: 623,277,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,685,945.60 : 946,028,918.40 = 415,518,150.40 : x
  2. Step 2: Convert to fraction form
    630,685,945.60/946,028,918.40 = 415,518,150.40/x
  3. Step 3: Cross multiply
    630,685,945.60x = 946,028,918.40 × 415,518,150.40
  4. Step 4: Simplify right side
    630,685,945.60x = 393,092,186,398,480,512
  5. Step 5: Solve for x
    x = 393,092,186,398,480,512/630,685,945.60
  6. Step 6: Final answer
    x = 623,277,225.60

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Double scale
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Similar ratio
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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.