Home / 1,262,461,437.40-1,742,250,588.18-705,544,468.06

Finding the Fourth Proportional to 1,262,461,437.40, 1,742,250,588.18 and 705,544,468.06

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Solution

The fourth proportional to 1,262,461,437.40, 1,742,250,588.18 and 705,544,468.06 is: 973,681,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,437.40 : 1,742,250,588.18 = 705,544,468.06 : x
  2. Step 2: Convert to fraction form
    1,262,461,437.40/1,742,250,588.18 = 705,544,468.06/x
  3. Step 3: Cross multiply
    1,262,461,437.40x = 1,742,250,588.18 × 705,544,468.06
  4. Step 4: Simplify right side
    1,262,461,437.40x = 1,229,235,264,464,680,192
  5. Step 5: Solve for x
    x = 1,229,235,264,464,680,192/1,262,461,437.40
  6. Step 6: Final answer
    x = 973,681,435.37

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Double scale
Find fourth proportional to 1,262,461,438.40, 1,742,250,589.56 and 705,544,469.06
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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.