Home / 1,133,139,632.40-1,699,709,448.60-672,840,867.60

Finding the Fourth Proportional to 1,133,139,632.40, 1,699,709,448.60 and 672,840,867.60

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Solution

The fourth proportional to 1,133,139,632.40, 1,699,709,448.60 and 672,840,867.60 is: 1,009,261,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,139,632.40 : 1,699,709,448.60 = 672,840,867.60 : x
  2. Step 2: Convert to fraction form
    1,133,139,632.40/1,699,709,448.60 = 672,840,867.60/x
  3. Step 3: Cross multiply
    1,133,139,632.40x = 1,699,709,448.60 × 672,840,867.60
  4. Step 4: Simplify right side
    1,133,139,632.40x = 1,143,633,980,063,941,632
  5. Step 5: Solve for x
    x = 1,143,633,980,063,941,632/1,133,139,632.40
  6. Step 6: Final answer
    x = 1,009,261,301.40

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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.