Home / 1,041,653,606.84-1,438,675,002.48-686,011,181.92

Finding the Fourth Proportional to 1,041,653,606.84, 1,438,675,002.48 and 686,011,181.92

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Solution

The fourth proportional to 1,041,653,606.84, 1,438,675,002.48 and 686,011,181.92 is: 947,481,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,653,606.84 : 1,438,675,002.48 = 686,011,181.92 : x
  2. Step 2: Convert to fraction form
    1,041,653,606.84/1,438,675,002.48 = 686,011,181.92/x
  3. Step 3: Cross multiply
    1,041,653,606.84x = 1,438,675,002.48 × 686,011,181.92
  4. Step 4: Simplify right side
    1,041,653,606.84x = 986,947,138,850,063,744
  5. Step 5: Solve for x
    x = 986,947,138,850,063,744/1,041,653,606.84
  6. Step 6: Final answer
    x = 947,481,132.28

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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.