Home / 1,311,035,301,011.90-1,809,785,792,680.20-816,884,004,161.40

Finding the Fourth Proportional to 1,311,035,301,011.90, 1,809,785,792,680.20 and 816,884,004,161.40

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Solution

The fourth proportional to 1,311,035,301,011.90, 1,809,785,792,680.20 and 816,884,004,161.40 is: 1,127,647,031,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,035,301,011.90 : 1,809,785,792,680.20 = 816,884,004,161.40 : x
  2. Step 2: Convert to fraction form
    1,311,035,301,011.90/1,809,785,792,680.20 = 816,884,004,161.40/x
  3. Step 3: Cross multiply
    1,311,035,301,011.90x = 1,809,785,792,680.20 × 816,884,004,161.40
  4. Step 4: Simplify right side
    1,311,035,301,011.90x = 1,478,385,064,999,015,050,903,552
  5. Step 5: Solve for x
    x = 1,478,385,064,999,015,050,903,552/1,311,035,301,011.90
  6. Step 6: Final answer
    x = 1,127,647,031,211.10

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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.