Home / 1,244,208,064.70-1,866,312,097.05-426,048,448.70

Finding the Fourth Proportional to 1,244,208,064.70, 1,866,312,097.05 and 426,048,448.70

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Solution

The fourth proportional to 1,244,208,064.70, 1,866,312,097.05 and 426,048,448.70 is: 639,072,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,208,064.70 : 1,866,312,097.05 = 426,048,448.70 : x
  2. Step 2: Convert to fraction form
    1,244,208,064.70/1,866,312,097.05 = 426,048,448.70/x
  3. Step 3: Cross multiply
    1,244,208,064.70x = 1,866,312,097.05 × 426,048,448.70
  4. Step 4: Simplify right side
    1,244,208,064.70x = 795,139,373,738,196,352
  5. Step 5: Solve for x
    x = 795,139,373,738,196,352/1,244,208,064.70
  6. Step 6: Final answer
    x = 639,072,673.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.