Home / 979,775,260.58-1,352,089,263.50-539,742,112.58

Finding the Fourth Proportional to 979,775,260.58, 1,352,089,263.50 and 539,742,112.58

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Solution

The fourth proportional to 979,775,260.58, 1,352,089,263.50 and 539,742,112.58 is: 744,843,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,775,260.58 : 1,352,089,263.50 = 539,742,112.58 : x
  2. Step 2: Convert to fraction form
    979,775,260.58/1,352,089,263.50 = 539,742,112.58/x
  3. Step 3: Cross multiply
    979,775,260.58x = 1,352,089,263.50 × 539,742,112.58
  4. Step 4: Simplify right side
    979,775,260.58x = 729,779,515,478,226,304
  5. Step 5: Solve for x
    x = 729,779,515,478,226,304/979,775,260.58
  6. Step 6: Final answer
    x = 744,843,786.98

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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.