Home / 1,031,238,911.32-1,423,144,072.32-579,196,539.16

Finding the Fourth Proportional to 1,031,238,911.32, 1,423,144,072.32 and 579,196,539.16

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Solution

The fourth proportional to 1,031,238,911.32, 1,423,144,072.32 and 579,196,539.16 is: 799,310,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,238,911.32 : 1,423,144,072.32 = 579,196,539.16 : x
  2. Step 2: Convert to fraction form
    1,031,238,911.32/1,423,144,072.32 = 579,196,539.16/x
  3. Step 3: Cross multiply
    1,031,238,911.32x = 1,423,144,072.32 × 579,196,539.16
  4. Step 4: Simplify right side
    1,031,238,911.32x = 824,280,121,408,111,872
  5. Step 5: Solve for x
    x = 824,280,121,408,111,872/1,031,238,911.32
  6. Step 6: Final answer
    x = 799,310,530.63

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Double scale
Find fourth proportional to 1,031,238,912.32, 1,423,144,073.70 and 579,196,540.16
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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.