Home / 1,090,495,297.20-1,635,742,945.80-918,308,413.20

Finding the Fourth Proportional to 1,090,495,297.20, 1,635,742,945.80 and 918,308,413.20

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Solution

The fourth proportional to 1,090,495,297.20, 1,635,742,945.80 and 918,308,413.20 is: 1,377,462,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,495,297.20 : 1,635,742,945.80 = 918,308,413.20 : x
  2. Step 2: Convert to fraction form
    1,090,495,297.20/1,635,742,945.80 = 918,308,413.20/x
  3. Step 3: Cross multiply
    1,090,495,297.20x = 1,635,742,945.80 × 918,308,413.20
  4. Step 4: Simplify right side
    1,090,495,297.20x = 1,502,116,508,960,691,712
  5. Step 5: Solve for x
    x = 1,502,116,508,960,691,712/1,090,495,297.20
  6. Step 6: Final answer
    x = 1,377,462,619.80

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Double scale
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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.