Home / 841,498,112.69-1,161,245,119.60-470,223,194.93

Finding the Fourth Proportional to 841,498,112.69, 1,161,245,119.60 and 470,223,194.93

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Solution

The fourth proportional to 841,498,112.69, 1,161,245,119.60 and 470,223,194.93 is: 648,895,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,498,112.69 : 1,161,245,119.60 = 470,223,194.93 : x
  2. Step 2: Convert to fraction form
    841,498,112.69/1,161,245,119.60 = 470,223,194.93/x
  3. Step 3: Cross multiply
    841,498,112.69x = 1,161,245,119.60 × 470,223,194.93
  4. Step 4: Simplify right side
    841,498,112.69x = 546,044,390,235,181,952
  5. Step 5: Solve for x
    x = 546,044,390,235,181,952/841,498,112.69
  6. Step 6: Final answer
    x = 648,895,561.38

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Double scale
Find fourth proportional to 841,498,113.69, 1,161,245,120.98 and 470,223,195.93
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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.