Home / 1,262,461,405.59-1,742,250,544.29-705,544,436.25

Finding the Fourth Proportional to 1,262,461,405.59, 1,742,250,544.29 and 705,544,436.25

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Solution

The fourth proportional to 1,262,461,405.59, 1,742,250,544.29 and 705,544,436.25 is: 973,681,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,405.59 : 1,742,250,544.29 = 705,544,436.25 : x
  2. Step 2: Convert to fraction form
    1,262,461,405.59/1,742,250,544.29 = 705,544,436.25/x
  3. Step 3: Cross multiply
    1,262,461,405.59x = 1,742,250,544.29 × 705,544,436.25
  4. Step 4: Simplify right side
    1,262,461,405.59x = 1,229,235,178,077,343,744
  5. Step 5: Solve for x
    x = 1,229,235,178,077,343,744/1,262,461,405.59
  6. Step 6: Final answer
    x = 973,681,391.47

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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.