Home / 900,909,968.40-1,351,364,952.60-383,357,293.20

Finding the Fourth Proportional to 900,909,968.40, 1,351,364,952.60 and 383,357,293.20

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Solution

The fourth proportional to 900,909,968.40, 1,351,364,952.60 and 383,357,293.20 is: 575,035,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,909,968.40 : 1,351,364,952.60 = 383,357,293.20 : x
  2. Step 2: Convert to fraction form
    900,909,968.40/1,351,364,952.60 = 383,357,293.20/x
  3. Step 3: Cross multiply
    900,909,968.40x = 1,351,364,952.60 × 383,357,293.20
  4. Step 4: Simplify right side
    900,909,968.40x = 518,055,610,354,082,240
  5. Step 5: Solve for x
    x = 518,055,610,354,082,240/900,909,968.40
  6. Step 6: Final answer
    x = 575,035,939.80

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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.