Home / 1,069,457,017.48-1,603,053,322.58-359,729,945.56

Finding the Fourth Proportional to 1,069,457,017.48, 1,603,053,322.58 and 359,729,945.56

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Solution

The fourth proportional to 1,069,457,017.48, 1,603,053,322.58 and 359,729,945.56 is: 539,214,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,457,017.48 : 1,603,053,322.58 = 359,729,945.56 : x
  2. Step 2: Convert to fraction form
    1,069,457,017.48/1,603,053,322.58 = 359,729,945.56/x
  3. Step 3: Cross multiply
    1,069,457,017.48x = 1,603,053,322.58 × 359,729,945.56
  4. Step 4: Simplify right side
    1,069,457,017.48x = 576,666,284,461,480,448
  5. Step 5: Solve for x
    x = 576,666,284,461,480,448/1,069,457,017.48
  6. Step 6: Final answer
    x = 539,214,082.51

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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.