Home / 687,024,155.40-1,030,536,233.10-550,975,259.40

Finding the Fourth Proportional to 687,024,155.40, 1,030,536,233.10 and 550,975,259.40

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Solution

The fourth proportional to 687,024,155.40, 1,030,536,233.10 and 550,975,259.40 is: 826,462,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,024,155.40 : 1,030,536,233.10 = 550,975,259.40 : x
  2. Step 2: Convert to fraction form
    687,024,155.40/1,030,536,233.10 = 550,975,259.40/x
  3. Step 3: Cross multiply
    687,024,155.40x = 1,030,536,233.10 × 550,975,259.40
  4. Step 4: Simplify right side
    687,024,155.40x = 567,799,968,353,371,328
  5. Step 5: Solve for x
    x = 567,799,968,353,371,328/687,024,155.40
  6. Step 6: Final answer
    x = 826,462,889.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.