Home / 1,010,977,674.40-1,516,466,511.60-847,718,999.20

Finding the Fourth Proportional to 1,010,977,674.40, 1,516,466,511.60 and 847,718,999.20

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Solution

The fourth proportional to 1,010,977,674.40, 1,516,466,511.60 and 847,718,999.20 is: 1,271,578,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,977,674.40 : 1,516,466,511.60 = 847,718,999.20 : x
  2. Step 2: Convert to fraction form
    1,010,977,674.40/1,516,466,511.60 = 847,718,999.20/x
  3. Step 3: Cross multiply
    1,010,977,674.40x = 1,516,466,511.60 × 847,718,999.20
  4. Step 4: Simplify right side
    1,010,977,674.40x = 1,285,537,473,533,867,264
  5. Step 5: Solve for x
    x = 1,285,537,473,533,867,264/1,010,977,674.40
  6. Step 6: Final answer
    x = 1,271,578,498.80

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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.