Home / 660,444,703.40-990,667,055.10-169,157,023.40

Finding the Fourth Proportional to 660,444,703.40, 990,667,055.10 and 169,157,023.40

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Solution

The fourth proportional to 660,444,703.40, 990,667,055.10 and 169,157,023.40 is: 253,735,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,444,703.40 : 990,667,055.10 = 169,157,023.40 : x
  2. Step 2: Convert to fraction form
    660,444,703.40/990,667,055.10 = 169,157,023.40/x
  3. Step 3: Cross multiply
    660,444,703.40x = 990,667,055.10 × 169,157,023.40
  4. Step 4: Simplify right side
    660,444,703.40x = 167,578,290,221,159,808
  5. Step 5: Solve for x
    x = 167,578,290,221,159,808/660,444,703.40
  6. Step 6: Final answer
    x = 253,735,535.10

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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.