Home / 1,273,931,486,870.20-1,758,025,384,647.80-687,981,276,117.30

Finding the Fourth Proportional to 1,273,931,486,870.20, 1,758,025,384,647.80 and 687,981,276,117.30

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Solution

The fourth proportional to 1,273,931,486,870.20, 1,758,025,384,647.80 and 687,981,276,117.30 is: 949,414,124,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,931,486,870.20 : 1,758,025,384,647.80 = 687,981,276,117.30 : x
  2. Step 2: Convert to fraction form
    1,273,931,486,870.20/1,758,025,384,647.80 = 687,981,276,117.30/x
  3. Step 3: Cross multiply
    1,273,931,486,870.20x = 1,758,025,384,647.80 × 687,981,276,117.30
  4. Step 4: Simplify right side
    1,273,931,486,870.20x = 1,209,488,547,576,600,762,253,312
  5. Step 5: Solve for x
    x = 1,209,488,547,576,600,762,253,312/1,273,931,486,870.20
  6. Step 6: Final answer
    x = 949,414,124,732.94

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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.