Home / 1,203,574,569.10-1,805,361,853.65-687,013,917.10

Finding the Fourth Proportional to 1,203,574,569.10, 1,805,361,853.65 and 687,013,917.10

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Solution

The fourth proportional to 1,203,574,569.10, 1,805,361,853.65 and 687,013,917.10 is: 1,030,520,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,574,569.10 : 1,805,361,853.65 = 687,013,917.10 : x
  2. Step 2: Convert to fraction form
    1,203,574,569.10/1,805,361,853.65 = 687,013,917.10/x
  3. Step 3: Cross multiply
    1,203,574,569.10x = 1,805,361,853.65 × 687,013,917.10
  4. Step 4: Simplify right side
    1,203,574,569.10x = 1,240,308,718,859,003,648
  5. Step 5: Solve for x
    x = 1,240,308,718,859,003,648/1,203,574,569.10
  6. Step 6: Final answer
    x = 1,030,520,875.65

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Double scale
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Similar ratio
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1.5x scale

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.