Home / 1,406,395,201.16-1,940,861,013.72-771,340,977.92

Finding the Fourth Proportional to 1,406,395,201.16, 1,940,861,013.72 and 771,340,977.92

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Solution

The fourth proportional to 1,406,395,201.16, 1,940,861,013.72 and 771,340,977.92 is: 1,064,470,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,395,201.16 : 1,940,861,013.72 = 771,340,977.92 : x
  2. Step 2: Convert to fraction form
    1,406,395,201.16/1,940,861,013.72 = 771,340,977.92/x
  3. Step 3: Cross multiply
    1,406,395,201.16x = 1,940,861,013.72 × 771,340,977.92
  4. Step 4: Simplify right side
    1,406,395,201.16x = 1,497,065,632,329,587,200
  5. Step 5: Solve for x
    x = 1,497,065,632,329,587,200/1,406,395,201.16
  6. Step 6: Final answer
    x = 1,064,470,094.25

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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.