Home / 883,559,792.21-1,219,316,208.81-487,074,078.86

Finding the Fourth Proportional to 883,559,792.21, 1,219,316,208.81 and 487,074,078.86

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Solution

The fourth proportional to 883,559,792.21, 1,219,316,208.81 and 487,074,078.86 is: 672,164,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,559,792.21 : 1,219,316,208.81 = 487,074,078.86 : x
  2. Step 2: Convert to fraction form
    883,559,792.21/1,219,316,208.81 = 487,074,078.86/x
  3. Step 3: Cross multiply
    883,559,792.21x = 1,219,316,208.81 × 487,074,078.86
  4. Step 4: Simplify right side
    883,559,792.21x = 593,897,319,245,198,208
  5. Step 5: Solve for x
    x = 593,897,319,245,198,208/883,559,792.21
  6. Step 6: Final answer
    x = 672,164,266.05

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1.5x scale

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.