Home / 612,397,887,311.35-845,106,137,921.52-338,041,139,909.32

Finding the Fourth Proportional to 612,397,887,311.35, 845,106,137,921.52 and 338,041,139,909.32

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Solution

The fourth proportional to 612,397,887,311.35, 845,106,137,921.52 and 338,041,139,909.32 is: 466,495,146,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,397,887,311.35 : 845,106,137,921.52 = 338,041,139,909.32 : x
  2. Step 2: Convert to fraction form
    612,397,887,311.35/845,106,137,921.52 = 338,041,139,909.32/x
  3. Step 3: Cross multiply
    612,397,887,311.35x = 845,106,137,921.52 × 338,041,139,909.32
  4. Step 4: Simplify right side
    612,397,887,311.35x = 285,680,642,207,353,646,612,480
  5. Step 5: Solve for x
    x = 285,680,642,207,353,646,612,480/612,397,887,311.35
  6. Step 6: Final answer
    x = 466,495,146,581.25

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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.