Home / 501,556,533.48-692,064,969.30-289,883,075.12

Finding the Fourth Proportional to 501,556,533.48, 692,064,969.30 and 289,883,075.12

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Solution

The fourth proportional to 501,556,533.48, 692,064,969.30 and 289,883,075.12 is: 399,990,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,556,533.48 : 692,064,969.30 = 289,883,075.12 : x
  2. Step 2: Convert to fraction form
    501,556,533.48/692,064,969.30 = 289,883,075.12/x
  3. Step 3: Cross multiply
    501,556,533.48x = 692,064,969.30 × 289,883,075.12
  4. Step 4: Simplify right side
    501,556,533.48x = 200,617,921,483,512,384
  5. Step 5: Solve for x
    x = 200,617,921,483,512,384/501,556,533.48
  6. Step 6: Final answer
    x = 399,990,645.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.