Home / 621,533,999.60-932,300,999.40-417,159,983.60

Finding the Fourth Proportional to 621,533,999.60, 932,300,999.40 and 417,159,983.60

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Solution

The fourth proportional to 621,533,999.60, 932,300,999.40 and 417,159,983.60 is: 625,739,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,533,999.60 : 932,300,999.40 = 417,159,983.60 : x
  2. Step 2: Convert to fraction form
    621,533,999.60/932,300,999.40 = 417,159,983.60/x
  3. Step 3: Cross multiply
    621,533,999.60x = 932,300,999.40 × 417,159,983.60
  4. Step 4: Simplify right side
    621,533,999.60x = 388,918,669,619,967,616
  5. Step 5: Solve for x
    x = 388,918,669,619,967,616/621,533,999.60
  6. Step 6: Final answer
    x = 625,739,975.40

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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.