Home / 1,031,284,928.28-1,423,173,354.54-561,389,816.46

Finding the Fourth Proportional to 1,031,284,928.28, 1,423,173,354.54 and 561,389,816.46

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Solution

The fourth proportional to 1,031,284,928.28, 1,423,173,354.54 and 561,389,816.46 is: 774,718,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,284,928.28 : 1,423,173,354.54 = 561,389,816.46 : x
  2. Step 2: Convert to fraction form
    1,031,284,928.28/1,423,173,354.54 = 561,389,816.46/x
  3. Step 3: Cross multiply
    1,031,284,928.28x = 1,423,173,354.54 × 561,389,816.46
  4. Step 4: Simplify right side
    1,031,284,928.28x = 798,955,028,295,973,120
  5. Step 5: Solve for x
    x = 798,955,028,295,973,120/1,031,284,928.28
  6. Step 6: Final answer
    x = 774,718,030.28

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Half scale
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Double scale
Find fourth proportional to 1,031,284,929.28, 1,423,173,355.92 and 561,389,817.46
Similar ratio
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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.