Home / 646,827,785.10-970,241,677.65-186,780,962.70

Finding the Fourth Proportional to 646,827,785.10, 970,241,677.65 and 186,780,962.70

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Solution

The fourth proportional to 646,827,785.10, 970,241,677.65 and 186,780,962.70 is: 280,171,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,827,785.10 : 970,241,677.65 = 186,780,962.70 : x
  2. Step 2: Convert to fraction form
    646,827,785.10/970,241,677.65 = 186,780,962.70/x
  3. Step 3: Cross multiply
    646,827,785.10x = 970,241,677.65 × 186,780,962.70
  4. Step 4: Simplify right side
    646,827,785.10x = 181,222,674,603,130,048
  5. Step 5: Solve for x
    x = 181,222,674,603,130,048/646,827,785.10
  6. Step 6: Final answer
    x = 280,171,444.05

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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.