Home / 514,885,806.28-710,537,118.42-383,315,186.44

Finding the Fourth Proportional to 514,885,806.28, 710,537,118.42 and 383,315,186.44

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Solution

The fourth proportional to 514,885,806.28, 710,537,118.42 and 383,315,186.44 is: 528,971,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,885,806.28 : 710,537,118.42 = 383,315,186.44 : x
  2. Step 2: Convert to fraction form
    514,885,806.28/710,537,118.42 = 383,315,186.44/x
  3. Step 3: Cross multiply
    514,885,806.28x = 710,537,118.42 × 383,315,186.44
  4. Step 4: Simplify right side
    514,885,806.28x = 272,359,668,019,702,656
  5. Step 5: Solve for x
    x = 272,359,668,019,702,656/514,885,806.28
  6. Step 6: Final answer
    x = 528,971,015.90

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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.