Home / 851,537,134.80-1,175,119,034.40-475,189,774.02

Finding the Fourth Proportional to 851,537,134.80, 1,175,119,034.40 and 475,189,774.02

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Solution

The fourth proportional to 851,537,134.80, 1,175,119,034.40 and 475,189,774.02 is: 655,760,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,537,134.80 : 1,175,119,034.40 = 475,189,774.02 : x
  2. Step 2: Convert to fraction form
    851,537,134.80/1,175,119,034.40 = 475,189,774.02/x
  3. Step 3: Cross multiply
    851,537,134.80x = 1,175,119,034.40 × 475,189,774.02
  4. Step 4: Simplify right side
    851,537,134.80x = 558,404,548,403,136,640
  5. Step 5: Solve for x
    x = 558,404,548,403,136,640/851,537,134.80
  6. Step 6: Final answer
    x = 655,760,653.98

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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.