Home / 684,194,185.32-1,026,291,259.82-315,620,088.63

Finding the Fourth Proportional to 684,194,185.32, 1,026,291,259.82 and 315,620,088.63

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Solution

The fourth proportional to 684,194,185.32, 1,026,291,259.82 and 315,620,088.63 is: 473,430,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,194,185.32 : 1,026,291,259.82 = 315,620,088.63 : x
  2. Step 2: Convert to fraction form
    684,194,185.32/1,026,291,259.82 = 315,620,088.63/x
  3. Step 3: Cross multiply
    684,194,185.32x = 1,026,291,259.82 × 315,620,088.63
  4. Step 4: Simplify right side
    684,194,185.32x = 323,918,138,384,582,784
  5. Step 5: Solve for x
    x = 323,918,138,384,582,784/684,194,185.32
  6. Step 6: Final answer
    x = 473,430,124.57

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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.