Home / 772,513,526.40-1,158,770,289.60-364,366,838.40

Finding the Fourth Proportional to 772,513,526.40, 1,158,770,289.60 and 364,366,838.40

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Solution

The fourth proportional to 772,513,526.40, 1,158,770,289.60 and 364,366,838.40 is: 546,550,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,513,526.40 : 1,158,770,289.60 = 364,366,838.40 : x
  2. Step 2: Convert to fraction form
    772,513,526.40/1,158,770,289.60 = 364,366,838.40/x
  3. Step 3: Cross multiply
    772,513,526.40x = 1,158,770,289.60 × 364,366,838.40
  4. Step 4: Simplify right side
    772,513,526.40x = 422,217,466,853,404,352
  5. Step 5: Solve for x
    x = 422,217,466,853,404,352/772,513,526.40
  6. Step 6: Final answer
    x = 546,550,257.60

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Double scale
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Similar ratio
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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.