Home / 972,325,815.81-1,341,809,691.31-532,292,667.81

Finding the Fourth Proportional to 972,325,815.81, 1,341,809,691.31 and 532,292,667.81

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Solution

The fourth proportional to 972,325,815.81, 1,341,809,691.31 and 532,292,667.81 is: 734,563,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,325,815.81 : 1,341,809,691.31 = 532,292,667.81 : x
  2. Step 2: Convert to fraction form
    972,325,815.81/1,341,809,691.31 = 532,292,667.81/x
  3. Step 3: Cross multiply
    972,325,815.81x = 1,341,809,691.31 × 532,292,667.81
  4. Step 4: Simplify right side
    972,325,815.81x = 714,235,460,280,712,448
  5. Step 5: Solve for x
    x = 714,235,460,280,712,448/972,325,815.81
  6. Step 6: Final answer
    x = 734,563,917.43

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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.