Home / 862,484,964.39-1,190,313,281.14-510,174,457.21

Finding the Fourth Proportional to 862,484,964.39, 1,190,313,281.14 and 510,174,457.21

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Solution

The fourth proportional to 862,484,964.39, 1,190,313,281.14 and 510,174,457.21 is: 704,090,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,484,964.39 : 1,190,313,281.14 = 510,174,457.21 : x
  2. Step 2: Convert to fraction form
    862,484,964.39/1,190,313,281.14 = 510,174,457.21/x
  3. Step 3: Cross multiply
    862,484,964.39x = 1,190,313,281.14 × 510,174,457.21
  4. Step 4: Simplify right side
    862,484,964.39x = 607,267,432,115,453,696
  5. Step 5: Solve for x
    x = 607,267,432,115,453,696/862,484,964.39
  6. Step 6: Final answer
    x = 704,090,456.28

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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.