Home / 1,292,337,301.60-1,937,035,476.43-786,437,831.33

Finding the Fourth Proportional to 1,292,337,301.60, 1,937,035,476.43 and 786,437,831.33

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Solution

The fourth proportional to 1,292,337,301.60, 1,937,035,476.43 and 786,437,831.33 is: 1,178,761,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,337,301.60 : 1,937,035,476.43 = 786,437,831.33 : x
  2. Step 2: Convert to fraction form
    1,292,337,301.60/1,937,035,476.43 = 786,437,831.33/x
  3. Step 3: Cross multiply
    1,292,337,301.60x = 1,937,035,476.43 × 786,437,831.33
  4. Step 4: Simplify right side
    1,292,337,301.60x = 1,523,357,979,288,495,104
  5. Step 5: Solve for x
    x = 1,523,357,979,288,495,104/1,292,337,301.60
  6. Step 6: Final answer
    x = 1,178,761,904.81

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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.