Home / 347,686,031.10-487,477,079.70-347,686,031.10

Finding the Fourth Proportional to 347,686,031.10, 487,477,079.70 and 347,686,031.10

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Solution

The fourth proportional to 347,686,031.10, 487,477,079.70 and 347,686,031.10 is: 487,477,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,686,031.10 : 487,477,079.70 = 347,686,031.10 : x
  2. Step 2: Convert to fraction form
    347,686,031.10/487,477,079.70 = 347,686,031.10/x
  3. Step 3: Cross multiply
    347,686,031.10x = 487,477,079.70 × 347,686,031.10
  4. Step 4: Simplify right side
    347,686,031.10x = 169,488,971,093,111,392
  5. Step 5: Solve for x
    x = 169,488,971,093,111,392/347,686,031.10
  6. Step 6: Final answer
    x = 487,477,079.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.