Home / 559,968,009.80-839,952,014.70-344,678,563.40

Finding the Fourth Proportional to 559,968,009.80, 839,952,014.70 and 344,678,563.40

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Solution

The fourth proportional to 559,968,009.80, 839,952,014.70 and 344,678,563.40 is: 517,017,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,968,009.80 : 839,952,014.70 = 344,678,563.40 : x
  2. Step 2: Convert to fraction form
    559,968,009.80/839,952,014.70 = 344,678,563.40/x
  3. Step 3: Cross multiply
    559,968,009.80x = 839,952,014.70 × 344,678,563.40
  4. Step 4: Simplify right side
    559,968,009.80x = 289,513,453,751,731,648
  5. Step 5: Solve for x
    x = 289,513,453,751,731,648/559,968,009.80
  6. Step 6: Final answer
    x = 517,017,845.10

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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.