Home / 1,658,793,000.99-2,289,142,143.45-906,116,618.70

Finding the Fourth Proportional to 1,658,793,000.99, 2,289,142,143.45 and 906,116,618.70

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Solution

The fourth proportional to 1,658,793,000.99, 2,289,142,143.45 and 906,116,618.70 is: 1,250,445,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,793,000.99 : 2,289,142,143.45 = 906,116,618.70 : x
  2. Step 2: Convert to fraction form
    1,658,793,000.99/2,289,142,143.45 = 906,116,618.70/x
  3. Step 3: Cross multiply
    1,658,793,000.99x = 2,289,142,143.45 × 906,116,618.70
  4. Step 4: Simplify right side
    1,658,793,000.99x = 2,074,229,738,746,584,320
  5. Step 5: Solve for x
    x = 2,074,229,738,746,584,320/1,658,793,000.99
  6. Step 6: Final answer
    x = 1,250,445,195.70

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Double scale
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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.