Home / 862,484,964.65-1,190,313,281.49-510,174,457.46

Finding the Fourth Proportional to 862,484,964.65, 1,190,313,281.49 and 510,174,457.46

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Solution

The fourth proportional to 862,484,964.65, 1,190,313,281.49 and 510,174,457.46 is: 704,090,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,484,964.65 : 1,190,313,281.49 = 510,174,457.46 : x
  2. Step 2: Convert to fraction form
    862,484,964.65/1,190,313,281.49 = 510,174,457.46/x
  3. Step 3: Cross multiply
    862,484,964.65x = 1,190,313,281.49 × 510,174,457.46
  4. Step 4: Simplify right side
    862,484,964.65x = 607,267,432,591,592,960
  5. Step 5: Solve for x
    x = 607,267,432,591,592,960/862,484,964.65
  6. Step 6: Final answer
    x = 704,090,456.62

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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.