Home / 1,119,171,954.60-1,678,757,931.90-885,369,407.40

Finding the Fourth Proportional to 1,119,171,954.60, 1,678,757,931.90 and 885,369,407.40

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Solution

The fourth proportional to 1,119,171,954.60, 1,678,757,931.90 and 885,369,407.40 is: 1,328,054,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,171,954.60 : 1,678,757,931.90 = 885,369,407.40 : x
  2. Step 2: Convert to fraction form
    1,119,171,954.60/1,678,757,931.90 = 885,369,407.40/x
  3. Step 3: Cross multiply
    1,119,171,954.60x = 1,678,757,931.90 × 885,369,407.40
  4. Step 4: Simplify right side
    1,119,171,954.60x = 1,486,320,915,334,352,640
  5. Step 5: Solve for x
    x = 1,486,320,915,334,352,640/1,119,171,954.60
  6. Step 6: Final answer
    x = 1,328,054,111.10

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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.