Home / 1,618,758,145.80-2,424,312,308.79-790,279,155.72

Finding the Fourth Proportional to 1,618,758,145.80, 2,424,312,308.79 and 790,279,155.72

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Solution

The fourth proportional to 1,618,758,145.80, 2,424,312,308.79 and 790,279,155.72 is: 1,183,551,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,758,145.80 : 2,424,312,308.79 = 790,279,155.72 : x
  2. Step 2: Convert to fraction form
    1,618,758,145.80/2,424,312,308.79 = 790,279,155.72/x
  3. Step 3: Cross multiply
    1,618,758,145.80x = 2,424,312,308.79 × 790,279,155.72
  4. Step 4: Simplify right side
    1,618,758,145.80x = 1,915,883,484,592,165,120
  5. Step 5: Solve for x
    x = 1,915,883,484,592,165,120/1,618,758,145.80
  6. Step 6: Final answer
    x = 1,183,551,409.19

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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.