Home / 1,329,548,892.51-1,994,363,967.76-456,138,009.30

Finding the Fourth Proportional to 1,329,548,892.51, 1,994,363,967.76 and 456,138,009.30

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Solution

The fourth proportional to 1,329,548,892.51, 1,994,363,967.76 and 456,138,009.30 is: 684,220,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,548,892.51 : 1,994,363,967.76 = 456,138,009.30 : x
  2. Step 2: Convert to fraction form
    1,329,548,892.51/1,994,363,967.76 = 456,138,009.30/x
  3. Step 3: Cross multiply
    1,329,548,892.51x = 1,994,363,967.76 × 456,138,009.30
  4. Step 4: Simplify right side
    1,329,548,892.51x = 909,705,210,081,767,680
  5. Step 5: Solve for x
    x = 909,705,210,081,767,680/1,329,548,892.51
  6. Step 6: Final answer
    x = 684,220,952.84

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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.