Home / 1,311,035,301,012.90-1,809,785,792,681.60-816,884,004,162.40

Finding the Fourth Proportional to 1,311,035,301,012.90, 1,809,785,792,681.60 and 816,884,004,162.40

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Solution

The fourth proportional to 1,311,035,301,012.90, 1,809,785,792,681.60 and 816,884,004,162.40 is: 1,127,647,031,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,035,301,012.90 : 1,809,785,792,681.60 = 816,884,004,162.40 : x
  2. Step 2: Convert to fraction form
    1,311,035,301,012.90/1,809,785,792,681.60 = 816,884,004,162.40/x
  3. Step 3: Cross multiply
    1,311,035,301,012.90x = 1,809,785,792,681.60 × 816,884,004,162.40
  4. Step 4: Simplify right side
    1,311,035,301,012.90x = 1,478,385,065,001,968,646,225,920
  5. Step 5: Solve for x
    x = 1,478,385,065,001,968,646,225,920/1,311,035,301,012.90
  6. Step 6: Final answer
    x = 1,127,647,031,212.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.