Home / 903,668,252.80-1,355,502,379.20-865,404,500.80

Finding the Fourth Proportional to 903,668,252.80, 1,355,502,379.20 and 865,404,500.80

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Solution

The fourth proportional to 903,668,252.80, 1,355,502,379.20 and 865,404,500.80 is: 1,298,106,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,668,252.80 : 1,355,502,379.20 = 865,404,500.80 : x
  2. Step 2: Convert to fraction form
    903,668,252.80/1,355,502,379.20 = 865,404,500.80/x
  3. Step 3: Cross multiply
    903,668,252.80x = 1,355,502,379.20 × 865,404,500.80
  4. Step 4: Simplify right side
    903,668,252.80x = 1,173,057,859,804,788,224
  5. Step 5: Solve for x
    x = 1,173,057,859,804,788,224/903,668,252.80
  6. Step 6: Final answer
    x = 1,298,106,751.20

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1.5x scale

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.