Home / 1,411,362,647.32-1,947,681,452.22-776,331,453.84

Finding the Fourth Proportional to 1,411,362,647.32, 1,947,681,452.22 and 776,331,453.84

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Solution

The fourth proportional to 1,411,362,647.32, 1,947,681,452.22 and 776,331,453.84 is: 1,071,337,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,362,647.32 : 1,947,681,452.22 = 776,331,453.84 : x
  2. Step 2: Convert to fraction form
    1,411,362,647.32/1,947,681,452.22 = 776,331,453.84/x
  3. Step 3: Cross multiply
    1,411,362,647.32x = 1,947,681,452.22 × 776,331,453.84
  4. Step 4: Simplify right side
    1,411,362,647.32x = 1,512,046,373,424,349,696
  5. Step 5: Solve for x
    x = 1,512,046,373,424,349,696/1,411,362,647.32
  6. Step 6: Final answer
    x = 1,071,337,955.77

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Double scale
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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.