Home / 871,938,965.24-1,203,266,985.90-475,460,953.08

Finding the Fourth Proportional to 871,938,965.24, 1,203,266,985.90 and 475,460,953.08

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Solution

The fourth proportional to 871,938,965.24, 1,203,266,985.90 and 475,460,953.08 is: 656,131,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,938,965.24 : 1,203,266,985.90 = 475,460,953.08 : x
  2. Step 2: Convert to fraction form
    871,938,965.24/1,203,266,985.90 = 475,460,953.08/x
  3. Step 3: Cross multiply
    871,938,965.24x = 1,203,266,985.90 × 475,460,953.08
  4. Step 4: Simplify right side
    871,938,965.24x = 572,106,467,925,712,960
  5. Step 5: Solve for x
    x = 572,106,467,925,712,960/871,938,965.24
  6. Step 6: Final answer
    x = 656,131,324.25

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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.