Home / 919,392,590.92-1,268,751,323.64-501,711,982.60

Finding the Fourth Proportional to 919,392,590.92, 1,268,751,323.64 and 501,711,982.60

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Solution

The fourth proportional to 919,392,590.92, 1,268,751,323.64 and 501,711,982.60 is: 692,356,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,392,590.92 : 1,268,751,323.64 = 501,711,982.60 : x
  2. Step 2: Convert to fraction form
    919,392,590.92/1,268,751,323.64 = 501,711,982.60/x
  3. Step 3: Cross multiply
    919,392,590.92x = 1,268,751,323.64 × 501,711,982.60
  4. Step 4: Simplify right side
    919,392,590.92x = 636,547,742,009,798,784
  5. Step 5: Solve for x
    x = 636,547,742,009,798,784/919,392,590.92
  6. Step 6: Final answer
    x = 692,356,832.43

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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.