Home / 1,655,142,815.42-2,481,308,057.91-770,341,987.00

Finding the Fourth Proportional to 1,655,142,815.42, 2,481,308,057.91 and 770,341,987.00

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Solution

The fourth proportional to 1,655,142,815.42, 2,481,308,057.91 and 770,341,987.00 is: 1,154,858,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,142,815.42 : 2,481,308,057.91 = 770,341,987.00 : x
  2. Step 2: Convert to fraction form
    1,655,142,815.42/2,481,308,057.91 = 770,341,987.00/x
  3. Step 3: Cross multiply
    1,655,142,815.42x = 2,481,308,057.91 × 770,341,987.00
  4. Step 4: Simplify right side
    1,655,142,815.42x = 1,911,455,779,695,529,216
  5. Step 5: Solve for x
    x = 1,911,455,779,695,529,216/1,655,142,815.42
  6. Step 6: Final answer
    x = 1,154,858,518.49

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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.