Home / 908,987,189.40-1,254,426,955.74-556,556,474.52

Finding the Fourth Proportional to 908,987,189.40, 1,254,426,955.74 and 556,556,474.52

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Solution

The fourth proportional to 908,987,189.40, 1,254,426,955.74 and 556,556,474.52 is: 768,063,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,987,189.40 : 1,254,426,955.74 = 556,556,474.52 : x
  2. Step 2: Convert to fraction form
    908,987,189.40/1,254,426,955.74 = 556,556,474.52/x
  3. Step 3: Cross multiply
    908,987,189.40x = 1,254,426,955.74 × 556,556,474.52
  4. Step 4: Simplify right side
    908,987,189.40x = 698,159,444,029,510,400
  5. Step 5: Solve for x
    x = 698,159,444,029,510,400/908,987,189.40
  6. Step 6: Final answer
    x = 768,063,018.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.