Home / 4,549,689,125.60-6,824,533,688.40-1,278,138,329.60

Finding the Fourth Proportional to 4,549,689,125.60, 6,824,533,688.40 and 1,278,138,329.60

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Solution

The fourth proportional to 4,549,689,125.60, 6,824,533,688.40 and 1,278,138,329.60 is: 1,917,207,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549,689,125.60 : 6,824,533,688.40 = 1,278,138,329.60 : x
  2. Step 2: Convert to fraction form
    4,549,689,125.60/6,824,533,688.40 = 1,278,138,329.60/x
  3. Step 3: Cross multiply
    4,549,689,125.60x = 6,824,533,688.40 × 1,278,138,329.60
  4. Step 4: Simplify right side
    4,549,689,125.60x = 8,722,698,088,790,501,376
  5. Step 5: Solve for x
    x = 8,722,698,088,790,501,376/4,549,689,125.60
  6. Step 6: Final answer
    x = 1,917,207,494.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.