Home / 932,496,741.33-1,286,838,840.64-509,110,389.49

Finding the Fourth Proportional to 932,496,741.33, 1,286,838,840.64 and 509,110,389.49

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Solution

The fourth proportional to 932,496,741.33, 1,286,838,840.64 and 509,110,389.49 is: 702,568,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,496,741.33 : 1,286,838,840.64 = 509,110,389.49 : x
  2. Step 2: Convert to fraction form
    932,496,741.33/1,286,838,840.64 = 509,110,389.49/x
  3. Step 3: Cross multiply
    932,496,741.33x = 1,286,838,840.64 × 509,110,389.49
  4. Step 4: Simplify right side
    932,496,741.33x = 655,143,023,369,090,560
  5. Step 5: Solve for x
    x = 655,143,023,369,090,560/932,496,741.33
  6. Step 6: Final answer
    x = 702,568,700.06

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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.