Home / 578,710,393.20-798,688,807.43-343,761,981.93

Finding the Fourth Proportional to 578,710,393.20, 798,688,807.43 and 343,761,981.93

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Solution

The fourth proportional to 578,710,393.20, 798,688,807.43 and 343,761,981.93 is: 474,432,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,710,393.20 : 798,688,807.43 = 343,761,981.93 : x
  2. Step 2: Convert to fraction form
    578,710,393.20/798,688,807.43 = 343,761,981.93/x
  3. Step 3: Cross multiply
    578,710,393.20x = 798,688,807.43 × 343,761,981.93
  4. Step 4: Simplify right side
    578,710,393.20x = 274,558,847,385,726,080
  5. Step 5: Solve for x
    x = 274,558,847,385,726,080/578,710,393.20
  6. Step 6: Final answer
    x = 474,432,204.11

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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.