Home / 507,456,005.10-761,184,007.65-265,087,416.30

Finding the Fourth Proportional to 507,456,005.10, 761,184,007.65 and 265,087,416.30

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Solution

The fourth proportional to 507,456,005.10, 761,184,007.65 and 265,087,416.30 is: 397,631,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,456,005.10 : 761,184,007.65 = 265,087,416.30 : x
  2. Step 2: Convert to fraction form
    507,456,005.10/761,184,007.65 = 265,087,416.30/x
  3. Step 3: Cross multiply
    507,456,005.10x = 761,184,007.65 × 265,087,416.30
  4. Step 4: Simplify right side
    507,456,005.10x = 201,780,301,916,817,952
  5. Step 5: Solve for x
    x = 201,780,301,916,817,952/507,456,005.10
  6. Step 6: Final answer
    x = 397,631,124.45

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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.