Home / 944,785,964.40-1,417,178,946.60-858,621,663.60

Finding the Fourth Proportional to 944,785,964.40, 1,417,178,946.60 and 858,621,663.60

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Solution

The fourth proportional to 944,785,964.40, 1,417,178,946.60 and 858,621,663.60 is: 1,287,932,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,964.40 : 1,417,178,946.60 = 858,621,663.60 : x
  2. Step 2: Convert to fraction form
    944,785,964.40/1,417,178,946.60 = 858,621,663.60/x
  3. Step 3: Cross multiply
    944,785,964.40x = 1,417,178,946.60 × 858,621,663.60
  4. Step 4: Simplify right side
    944,785,964.40x = 1,216,820,544,748,587,520
  5. Step 5: Solve for x
    x = 1,216,820,544,748,587,520/944,785,964.40
  6. Step 6: Final answer
    x = 1,287,932,495.40

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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.