Home / 554,688,121.20-832,032,181.80-393,444,985.20

Finding the Fourth Proportional to 554,688,121.20, 832,032,181.80 and 393,444,985.20

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Solution

The fourth proportional to 554,688,121.20, 832,032,181.80 and 393,444,985.20 is: 590,167,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,688,121.20 : 832,032,181.80 = 393,444,985.20 : x
  2. Step 2: Convert to fraction form
    554,688,121.20/832,032,181.80 = 393,444,985.20/x
  3. Step 3: Cross multiply
    554,688,121.20x = 832,032,181.80 × 393,444,985.20
  4. Step 4: Simplify right side
    554,688,121.20x = 327,358,889,454,224,704
  5. Step 5: Solve for x
    x = 327,358,889,454,224,704/554,688,121.20
  6. Step 6: Final answer
    x = 590,167,477.80

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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.