Home / 979,775,259.58-1,352,089,262.12-539,742,111.58

Finding the Fourth Proportional to 979,775,259.58, 1,352,089,262.12 and 539,742,111.58

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Solution

The fourth proportional to 979,775,259.58, 1,352,089,262.12 and 539,742,111.58 is: 744,843,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,775,259.58 : 1,352,089,262.12 = 539,742,111.58 : x
  2. Step 2: Convert to fraction form
    979,775,259.58/1,352,089,262.12 = 539,742,111.58/x
  3. Step 3: Cross multiply
    979,775,259.58x = 1,352,089,262.12 × 539,742,111.58
  4. Step 4: Simplify right side
    979,775,259.58x = 729,779,513,381,292,928
  5. Step 5: Solve for x
    x = 729,779,513,381,292,928/979,775,259.58
  6. Step 6: Final answer
    x = 744,843,785.60

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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.