Home / 619,458,196.84-855,032,830.98-404,908,008.20

Finding the Fourth Proportional to 619,458,196.84, 855,032,830.98 and 404,908,008.20

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Solution

The fourth proportional to 619,458,196.84, 855,032,830.98 and 404,908,008.20 is: 558,891,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,458,196.84 : 855,032,830.98 = 404,908,008.20 : x
  2. Step 2: Convert to fraction form
    619,458,196.84/855,032,830.98 = 404,908,008.20/x
  3. Step 3: Cross multiply
    619,458,196.84x = 855,032,830.98 × 404,908,008.20
  4. Step 4: Simplify right side
    619,458,196.84x = 346,209,640,537,719,040
  5. Step 5: Solve for x
    x = 346,209,640,537,719,040/619,458,196.84
  6. Step 6: Final answer
    x = 558,891,047.54

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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.