Home / 1,256,582,639,005.60-1,885,139,001,913.20-407,573,232,265.12

Finding the Fourth Proportional to 1,256,582,639,005.60, 1,885,139,001,913.20 and 407,573,232,265.12

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Solution

The fourth proportional to 1,256,582,639,005.60, 1,885,139,001,913.20 and 407,573,232,265.12 is: 611,445,815,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,582,639,005.60 : 1,885,139,001,913.20 = 407,573,232,265.12 : x
  2. Step 2: Convert to fraction form
    1,256,582,639,005.60/1,885,139,001,913.20 = 407,573,232,265.12/x
  3. Step 3: Cross multiply
    1,256,582,639,005.60x = 1,885,139,001,913.20 × 407,573,232,265.12
  4. Step 4: Simplify right side
    1,256,582,639,005.60x = 768,332,196,278,805,156,855,808
  5. Step 5: Solve for x
    x = 768,332,196,278,805,156,855,808/1,256,582,639,005.60
  6. Step 6: Final answer
    x = 611,445,815,363.82

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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.