Home / 1,263,063,685.52-1,742,939,401.32-734,390,164.88

Finding the Fourth Proportional to 1,263,063,685.52, 1,742,939,401.32 and 734,390,164.88

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Solution

The fourth proportional to 1,263,063,685.52, 1,742,939,401.32 and 734,390,164.88 is: 1,013,406,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,063,685.52 : 1,742,939,401.32 = 734,390,164.88 : x
  2. Step 2: Convert to fraction form
    1,263,063,685.52/1,742,939,401.32 = 734,390,164.88/x
  3. Step 3: Cross multiply
    1,263,063,685.52x = 1,742,939,401.32 × 734,390,164.88
  4. Step 4: Simplify right side
    1,263,063,685.52x = 1,279,997,554,311,243,264
  5. Step 5: Solve for x
    x = 1,279,997,554,311,243,264/1,263,063,685.52
  6. Step 6: Final answer
    x = 1,013,406,979.38

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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.