Home / 834,261,885.12-1,152,236,905.58-549,426,690.74

Finding the Fourth Proportional to 834,261,885.12, 1,152,236,905.58 and 549,426,690.74

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Solution

The fourth proportional to 834,261,885.12, 1,152,236,905.58 and 549,426,690.74 is: 758,838,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,261,885.12 : 1,152,236,905.58 = 549,426,690.74 : x
  2. Step 2: Convert to fraction form
    834,261,885.12/1,152,236,905.58 = 549,426,690.74/x
  3. Step 3: Cross multiply
    834,261,885.12x = 1,152,236,905.58 × 549,426,690.74
  4. Step 4: Simplify right side
    834,261,885.12x = 633,069,709,981,317,248
  5. Step 5: Solve for x
    x = 633,069,709,981,317,248/834,261,885.12
  6. Step 6: Final answer
    x = 758,838,107.40

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Double scale
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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.