Home / 507,422,437.40-761,133,656.10-448,971,800.60

Finding the Fourth Proportional to 507,422,437.40, 761,133,656.10 and 448,971,800.60

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Solution

The fourth proportional to 507,422,437.40, 761,133,656.10 and 448,971,800.60 is: 673,457,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,422,437.40 : 761,133,656.10 = 448,971,800.60 : x
  2. Step 2: Convert to fraction form
    507,422,437.40/761,133,656.10 = 448,971,800.60/x
  3. Step 3: Cross multiply
    507,422,437.40x = 761,133,656.10 × 448,971,800.60
  4. Step 4: Simplify right side
    507,422,437.40x = 341,727,548,076,478,208
  5. Step 5: Solve for x
    x = 341,727,548,076,478,208/507,422,437.40
  6. Step 6: Final answer
    x = 673,457,700.90

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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.