Home / 1,015,655,542.05-1,523,483,313.08-909,114,907.58

Finding the Fourth Proportional to 1,015,655,542.05, 1,523,483,313.08 and 909,114,907.58

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Solution

The fourth proportional to 1,015,655,542.05, 1,523,483,313.08 and 909,114,907.58 is: 1,363,672,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,655,542.05 : 1,523,483,313.08 = 909,114,907.58 : x
  2. Step 2: Convert to fraction form
    1,015,655,542.05/1,523,483,313.08 = 909,114,907.58/x
  3. Step 3: Cross multiply
    1,015,655,542.05x = 1,523,483,313.08 × 909,114,907.58
  4. Step 4: Simplify right side
    1,015,655,542.05x = 1,385,021,391,358,233,600
  5. Step 5: Solve for x
    x = 1,385,021,391,358,233,600/1,015,655,542.05
  6. Step 6: Final answer
    x = 1,363,672,361.36

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Double scale
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1.5x scale

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.