Home / 869,283,572.40-1,303,988,344.20-523,492,628.40

Finding the Fourth Proportional to 869,283,572.40, 1,303,988,344.20 and 523,492,628.40

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Solution

The fourth proportional to 869,283,572.40, 1,303,988,344.20 and 523,492,628.40 is: 785,276,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,283,572.40 : 1,303,988,344.20 = 523,492,628.40 : x
  2. Step 2: Convert to fraction form
    869,283,572.40/1,303,988,344.20 = 523,492,628.40/x
  3. Step 3: Cross multiply
    869,283,572.40x = 1,303,988,344.20 × 523,492,628.40
  4. Step 4: Simplify right side
    869,283,572.40x = 682,628,285,708,221,952
  5. Step 5: Solve for x
    x = 682,628,285,708,221,952/869,283,572.40
  6. Step 6: Final answer
    x = 785,276,873.26

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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.