Home / 2,465,287,478.40-3,697,931,217.60-828,968,246.40

Finding the Fourth Proportional to 2,465,287,478.40, 3,697,931,217.60 and 828,968,246.40

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Solution

The fourth proportional to 2,465,287,478.40, 3,697,931,217.60 and 828,968,246.40 is: 1,243,452,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465,287,478.40 : 3,697,931,217.60 = 828,968,246.40 : x
  2. Step 2: Convert to fraction form
    2,465,287,478.40/3,697,931,217.60 = 828,968,246.40/x
  3. Step 3: Cross multiply
    2,465,287,478.40x = 3,697,931,217.60 × 828,968,246.40
  4. Step 4: Simplify right side
    2,465,287,478.40x = 3,065,467,556,761,688,576
  5. Step 5: Solve for x
    x = 3,065,467,556,761,688,576/2,465,287,478.40
  6. Step 6: Final answer
    x = 1,243,452,369.60

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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.