Home / 282,637,819.80-423,956,729.70-262,230,485.40

Finding the Fourth Proportional to 282,637,819.80, 423,956,729.70 and 262,230,485.40

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Solution

The fourth proportional to 282,637,819.80, 423,956,729.70 and 262,230,485.40 is: 393,345,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,637,819.80 : 423,956,729.70 = 262,230,485.40 : x
  2. Step 2: Convert to fraction form
    282,637,819.80/423,956,729.70 = 262,230,485.40/x
  3. Step 3: Cross multiply
    282,637,819.80x = 423,956,729.70 × 262,230,485.40
  4. Step 4: Simplify right side
    282,637,819.80x = 111,174,379,017,827,600
  5. Step 5: Solve for x
    x = 111,174,379,017,827,600/282,637,819.80
  6. Step 6: Final answer
    x = 393,345,728.10

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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.