Home / 1,119,074,677.20-1,678,612,015.80-710,927,989.20

Finding the Fourth Proportional to 1,119,074,677.20, 1,678,612,015.80 and 710,927,989.20

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Solution

The fourth proportional to 1,119,074,677.20, 1,678,612,015.80 and 710,927,989.20 is: 1,066,391,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,074,677.20 : 1,678,612,015.80 = 710,927,989.20 : x
  2. Step 2: Convert to fraction form
    1,119,074,677.20/1,678,612,015.80 = 710,927,989.20/x
  3. Step 3: Cross multiply
    1,119,074,677.20x = 1,678,612,015.80 × 710,927,989.20
  4. Step 4: Simplify right side
    1,119,074,677.20x = 1,193,372,265,039,652,608
  5. Step 5: Solve for x
    x = 1,193,372,265,039,652,608/1,119,074,677.20
  6. Step 6: Final answer
    x = 1,066,391,983.80

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Half scale
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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.