Home / 1,312,765,805.13-1,969,152,042.87-536,411,466.87

Finding the Fourth Proportional to 1,312,765,805.13, 1,969,152,042.87 and 536,411,466.87

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Solution

The fourth proportional to 1,312,765,805.13, 1,969,152,042.87 and 536,411,466.87 is: 804,618,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,765,805.13 : 1,969,152,042.87 = 536,411,466.87 : x
  2. Step 2: Convert to fraction form
    1,312,765,805.13/1,969,152,042.87 = 536,411,466.87/x
  3. Step 3: Cross multiply
    1,312,765,805.13x = 1,969,152,042.87 × 536,411,466.87
  4. Step 4: Simplify right side
    1,312,765,805.13x = 1,056,275,735,805,953,792
  5. Step 5: Solve for x
    x = 1,056,275,735,805,953,792/1,312,765,805.13
  6. Step 6: Final answer
    x = 804,618,563.10

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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.