Home / 972,913,940.16-1,342,621,961.28-526,880,765.76

Finding the Fourth Proportional to 972,913,940.16, 1,342,621,961.28 and 526,880,765.76

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Solution

The fourth proportional to 972,913,940.16, 1,342,621,961.28 and 526,880,765.76 is: 727,095,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,913,940.16 : 1,342,621,961.28 = 526,880,765.76 : x
  2. Step 2: Convert to fraction form
    972,913,940.16/1,342,621,961.28 = 526,880,765.76/x
  3. Step 3: Cross multiply
    972,913,940.16x = 1,342,621,961.28 × 526,880,765.76
  4. Step 4: Simplify right side
    972,913,940.16x = 707,401,687,085,399,424
  5. Step 5: Solve for x
    x = 707,401,687,085,399,424/972,913,940.16
  6. Step 6: Final answer
    x = 727,095,848.75

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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.