Home / 1,263,063,639.56-1,742,939,337.84-734,390,118.76

Finding the Fourth Proportional to 1,263,063,639.56, 1,742,939,337.84 and 734,390,118.76

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Solution

The fourth proportional to 1,263,063,639.56, 1,742,939,337.84 and 734,390,118.76 is: 1,013,406,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,063,639.56 : 1,742,939,337.84 = 734,390,118.76 : x
  2. Step 2: Convert to fraction form
    1,263,063,639.56/1,742,939,337.84 = 734,390,118.76/x
  3. Step 3: Cross multiply
    1,263,063,639.56x = 1,742,939,337.84 × 734,390,118.76
  4. Step 4: Simplify right side
    1,263,063,639.56x = 1,279,997,427,307,793,408
  5. Step 5: Solve for x
    x = 1,279,997,427,307,793,408/1,263,063,639.56
  6. Step 6: Final answer
    x = 1,013,406,915.71

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Double scale
Find fourth proportional to 1,263,063,640.56, 1,742,939,339.22 and 734,390,119.76
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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.