Home / 668,698,971.60-1,003,048,457.40-177,411,291.60

Finding the Fourth Proportional to 668,698,971.60, 1,003,048,457.40 and 177,411,291.60

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Solution

The fourth proportional to 668,698,971.60, 1,003,048,457.40 and 177,411,291.60 is: 266,116,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,698,971.60 : 1,003,048,457.40 = 177,411,291.60 : x
  2. Step 2: Convert to fraction form
    668,698,971.60/1,003,048,457.40 = 177,411,291.60/x
  3. Step 3: Cross multiply
    668,698,971.60x = 1,003,048,457.40 × 177,411,291.60
  4. Step 4: Simplify right side
    668,698,971.60x = 177,952,122,364,721,568
  5. Step 5: Solve for x
    x = 177,952,122,364,721,568/668,698,971.60
  6. Step 6: Final answer
    x = 266,116,937.40

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Double scale
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Similar ratio
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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.