Home / 1,113,295,874.08-1,536,615,880.40-637,262,193.12

Finding the Fourth Proportional to 1,113,295,874.08, 1,536,615,880.40 and 637,262,193.12

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Solution

The fourth proportional to 1,113,295,874.08, 1,536,615,880.40 and 637,262,193.12 is: 879,574,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,295,874.08 : 1,536,615,880.40 = 637,262,193.12 : x
  2. Step 2: Convert to fraction form
    1,113,295,874.08/1,536,615,880.40 = 637,262,193.12/x
  3. Step 3: Cross multiply
    1,113,295,874.08x = 1,536,615,880.40 × 637,262,193.12
  4. Step 4: Simplify right side
    1,113,295,874.08x = 979,227,205,926,723,712
  5. Step 5: Solve for x
    x = 979,227,205,926,723,712/1,113,295,874.08
  6. Step 6: Final answer
    x = 879,574,988.76

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Double scale
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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.