Home / 1,657,771,982.37-2,287,713,491.40-905,085,134.64

Finding the Fourth Proportional to 1,657,771,982.37, 2,287,713,491.40 and 905,085,134.64

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Solution

The fourth proportional to 1,657,771,982.37, 2,287,713,491.40 and 905,085,134.64 is: 1,249,011,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,771,982.37 : 2,287,713,491.40 = 905,085,134.64 : x
  2. Step 2: Convert to fraction form
    1,657,771,982.37/2,287,713,491.40 = 905,085,134.64/x
  3. Step 3: Cross multiply
    1,657,771,982.37x = 2,287,713,491.40 × 905,085,134.64
  4. Step 4: Simplify right side
    1,657,771,982.37x = 2,070,575,473,381,513,472
  5. Step 5: Solve for x
    x = 2,070,575,473,381,513,472/1,657,771,982.37
  6. Step 6: Final answer
    x = 1,249,011,019.25

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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.