Home / 1,049,762,504.30-1,574,643,756.45-641,615,816.30

Finding the Fourth Proportional to 1,049,762,504.30, 1,574,643,756.45 and 641,615,816.30

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Solution

The fourth proportional to 1,049,762,504.30, 1,574,643,756.45 and 641,615,816.30 is: 962,423,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,762,504.30 : 1,574,643,756.45 = 641,615,816.30 : x
  2. Step 2: Convert to fraction form
    1,049,762,504.30/1,574,643,756.45 = 641,615,816.30/x
  3. Step 3: Cross multiply
    1,049,762,504.30x = 1,574,643,756.45 × 641,615,816.30
  4. Step 4: Simplify right side
    1,049,762,504.30x = 1,010,316,339,176,365,056
  5. Step 5: Solve for x
    x = 1,010,316,339,176,365,056/1,049,762,504.30
  6. Step 6: Final answer
    x = 962,423,724.45

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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.