Home / 554,578,034.40-830,546,690.04-320,916,172.68

Finding the Fourth Proportional to 554,578,034.40, 830,546,690.04 and 320,916,172.68

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Solution

The fourth proportional to 554,578,034.40, 830,546,690.04 and 320,916,172.68 is: 480,610,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,578,034.40 : 830,546,690.04 = 320,916,172.68 : x
  2. Step 2: Convert to fraction form
    554,578,034.40/830,546,690.04 = 320,916,172.68/x
  3. Step 3: Cross multiply
    554,578,034.40x = 830,546,690.04 × 320,916,172.68
  4. Step 4: Simplify right side
    554,578,034.40x = 266,535,864,999,679,072
  5. Step 5: Solve for x
    x = 266,535,864,999,679,072/554,578,034.40
  6. Step 6: Final answer
    x = 480,610,208.96

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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.