Home / 745,917,712.30-1,116,724,232.40-659,824,270.30

Finding the Fourth Proportional to 745,917,712.30, 1,116,724,232.40 and 659,824,270.30

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Solution

The fourth proportional to 745,917,712.30, 1,116,724,232.40 and 659,824,270.30 is: 987,832,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,917,712.30 : 1,116,724,232.40 = 659,824,270.30 : x
  2. Step 2: Convert to fraction form
    745,917,712.30/1,116,724,232.40 = 659,824,270.30/x
  3. Step 3: Cross multiply
    745,917,712.30x = 1,116,724,232.40 × 659,824,270.30
  4. Step 4: Simplify right side
    745,917,712.30x = 736,841,751,769,657,600
  5. Step 5: Solve for x
    x = 736,841,751,769,657,600/745,917,712.30
  6. Step 6: Final answer
    x = 987,832,490.93

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Double scale
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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.