Home / 1,193,448,596.40-1,646,740,430.28-664,799,426.64

Finding the Fourth Proportional to 1,193,448,596.40, 1,646,740,430.28 and 664,799,426.64

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Solution

The fourth proportional to 1,193,448,596.40, 1,646,740,430.28 and 664,799,426.64 is: 917,301,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,448,596.40 : 1,646,740,430.28 = 664,799,426.64 : x
  2. Step 2: Convert to fraction form
    1,193,448,596.40/1,646,740,430.28 = 664,799,426.64/x
  3. Step 3: Cross multiply
    1,193,448,596.40x = 1,646,740,430.28 × 664,799,426.64
  4. Step 4: Simplify right side
    1,193,448,596.40x = 1,094,752,093,875,050,880
  5. Step 5: Solve for x
    x = 1,094,752,093,875,050,880/1,193,448,596.40
  6. Step 6: Final answer
    x = 917,301,421.42

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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.