Home / 687,024,154.40-1,030,536,231.60-550,975,258.40

Finding the Fourth Proportional to 687,024,154.40, 1,030,536,231.60 and 550,975,258.40

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Solution

The fourth proportional to 687,024,154.40, 1,030,536,231.60 and 550,975,258.40 is: 826,462,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,024,154.40 : 1,030,536,231.60 = 550,975,258.40 : x
  2. Step 2: Convert to fraction form
    687,024,154.40/1,030,536,231.60 = 550,975,258.40/x
  3. Step 3: Cross multiply
    687,024,154.40x = 1,030,536,231.60 × 550,975,258.40
  4. Step 4: Simplify right side
    687,024,154.40x = 567,799,966,496,372,224
  5. Step 5: Solve for x
    x = 567,799,966,496,372,224/687,024,154.40
  6. Step 6: Final answer
    x = 826,462,887.60

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1.5x scale

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.