Home / 846,842,422.50-1,270,122,742.40-256,492,303.88

Finding the Fourth Proportional to 846,842,422.50, 1,270,122,742.40 and 256,492,303.88

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Solution

The fourth proportional to 846,842,422.50, 1,270,122,742.40 and 256,492,303.88 is: 384,695,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,842,422.50 : 1,270,122,742.40 = 256,492,303.88 : x
  2. Step 2: Convert to fraction form
    846,842,422.50/1,270,122,742.40 = 256,492,303.88/x
  3. Step 3: Cross multiply
    846,842,422.50x = 1,270,122,742.40 × 256,492,303.88
  4. Step 4: Simplify right side
    846,842,422.50x = 325,776,708,402,850,368
  5. Step 5: Solve for x
    x = 325,776,708,402,850,368/846,842,422.50
  6. Step 6: Final answer
    x = 384,695,782.53

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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.