Home / 742,122,003.60-1,113,183,005.40-708,109,779.60

Finding the Fourth Proportional to 742,122,003.60, 1,113,183,005.40 and 708,109,779.60

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Solution

The fourth proportional to 742,122,003.60, 1,113,183,005.40 and 708,109,779.60 is: 1,062,164,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,122,003.60 : 1,113,183,005.40 = 708,109,779.60 : x
  2. Step 2: Convert to fraction form
    742,122,003.60/1,113,183,005.40 = 708,109,779.60/x
  3. Step 3: Cross multiply
    742,122,003.60x = 1,113,183,005.40 × 708,109,779.60
  4. Step 4: Simplify right side
    742,122,003.60x = 788,255,772,608,259,712
  5. Step 5: Solve for x
    x = 788,255,772,608,259,712/742,122,003.60
  6. Step 6: Final answer
    x = 1,062,164,669.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.