Home / 1,262,461,439.46-1,742,250,591.18-705,544,470.12

Finding the Fourth Proportional to 1,262,461,439.46, 1,742,250,591.18 and 705,544,470.12

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Solution

The fourth proportional to 1,262,461,439.46, 1,742,250,591.18 and 705,544,470.12 is: 973,681,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,439.46 : 1,742,250,591.18 = 705,544,470.12 : x
  2. Step 2: Convert to fraction form
    1,262,461,439.46/1,742,250,591.18 = 705,544,470.12/x
  3. Step 3: Cross multiply
    1,262,461,439.46x = 1,742,250,591.18 × 705,544,470.12
  4. Step 4: Simplify right side
    1,262,461,439.46x = 1,229,235,270,170,349,824
  5. Step 5: Solve for x
    x = 1,229,235,270,170,349,824/1,262,461,439.46
  6. Step 6: Final answer
    x = 973,681,438.30

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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.