Home / 1,115,724,969.23-1,539,654,222.07-607,089,782.59

Finding the Fourth Proportional to 1,115,724,969.23, 1,539,654,222.07 and 607,089,782.59

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Solution

The fourth proportional to 1,115,724,969.23, 1,539,654,222.07 and 607,089,782.59 is: 837,758,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,724,969.23 : 1,539,654,222.07 = 607,089,782.59 : x
  2. Step 2: Convert to fraction form
    1,115,724,969.23/1,539,654,222.07 = 607,089,782.59/x
  3. Step 3: Cross multiply
    1,115,724,969.23x = 1,539,654,222.07 × 607,089,782.59
  4. Step 4: Simplify right side
    1,115,724,969.23x = 934,708,346,937,191,936
  5. Step 5: Solve for x
    x = 934,708,346,937,191,936/1,115,724,969.23
  6. Step 6: Final answer
    x = 837,758,742.27

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Double scale
Find fourth proportional to 1,115,724,970.23, 1,539,654,223.45 and 607,089,783.59
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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.