Home / 914,779,563.85-1,262,394,840.45-497,090,851.48

Finding the Fourth Proportional to 914,779,563.85, 1,262,394,840.45 and 497,090,851.48

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Solution

The fourth proportional to 914,779,563.85, 1,262,394,840.45 and 497,090,851.48 is: 685,984,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,779,563.85 : 1,262,394,840.45 = 497,090,851.48 : x
  2. Step 2: Convert to fraction form
    914,779,563.85/1,262,394,840.45 = 497,090,851.48/x
  3. Step 3: Cross multiply
    914,779,563.85x = 1,262,394,840.45 × 497,090,851.48
  4. Step 4: Simplify right side
    914,779,563.85x = 627,524,926,143,249,280
  5. Step 5: Solve for x
    x = 627,524,926,143,249,280/914,779,563.85
  6. Step 6: Final answer
    x = 685,984,854.65

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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.