Home / 1,262,461,430.40-1,742,250,578.52-705,544,461.06

Finding the Fourth Proportional to 1,262,461,430.40, 1,742,250,578.52 and 705,544,461.06

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Solution

The fourth proportional to 1,262,461,430.40, 1,742,250,578.52 and 705,544,461.06 is: 973,681,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,430.40 : 1,742,250,578.52 = 705,544,461.06 : x
  2. Step 2: Convert to fraction form
    1,262,461,430.40/1,742,250,578.52 = 705,544,461.06/x
  3. Step 3: Cross multiply
    1,262,461,430.40x = 1,742,250,578.52 × 705,544,461.06
  4. Step 4: Simplify right side
    1,262,461,430.40x = 1,229,235,245,453,366,528
  5. Step 5: Solve for x
    x = 1,229,235,245,453,366,528/1,262,461,430.40
  6. Step 6: Final answer
    x = 973,681,425.71

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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.