Home / 478,500,075.08-717,877,707.72-171,794,845.16

Finding the Fourth Proportional to 478,500,075.08, 717,877,707.72 and 171,794,845.16

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Solution

The fourth proportional to 478,500,075.08, 717,877,707.72 and 171,794,845.16 is: 257,738,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,500,075.08 : 717,877,707.72 = 171,794,845.16 : x
  2. Step 2: Convert to fraction form
    478,500,075.08/717,877,707.72 = 171,794,845.16/x
  3. Step 3: Cross multiply
    478,500,075.08x = 717,877,707.72 × 171,794,845.16
  4. Step 4: Simplify right side
    478,500,075.08x = 123,327,689,641,573,136
  5. Step 5: Solve for x
    x = 123,327,689,641,573,136/478,500,075.08
  6. Step 6: Final answer
    x = 257,738,077.93

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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.