Home / 1,437,303,605.40-2,155,955,408.10-619,415,906.40

Finding the Fourth Proportional to 1,437,303,605.40, 2,155,955,408.10 and 619,415,906.40

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Solution

The fourth proportional to 1,437,303,605.40, 2,155,955,408.10 and 619,415,906.40 is: 929,123,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,303,605.40 : 2,155,955,408.10 = 619,415,906.40 : x
  2. Step 2: Convert to fraction form
    1,437,303,605.40/2,155,955,408.10 = 619,415,906.40/x
  3. Step 3: Cross multiply
    1,437,303,605.40x = 2,155,955,408.10 × 619,415,906.40
  4. Step 4: Simplify right side
    1,437,303,605.40x = 1,335,433,073,266,243,328
  5. Step 5: Solve for x
    x = 1,335,433,073,266,243,328/1,437,303,605.40
  6. Step 6: Final answer
    x = 929,123,859.60

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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.