Home / 1,091,871,747.40-1,637,807,621.10-479,651,715.40

Finding the Fourth Proportional to 1,091,871,747.40, 1,637,807,621.10 and 479,651,715.40

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Solution

The fourth proportional to 1,091,871,747.40, 1,637,807,621.10 and 479,651,715.40 is: 719,477,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,871,747.40 : 1,637,807,621.10 = 479,651,715.40 : x
  2. Step 2: Convert to fraction form
    1,091,871,747.40/1,637,807,621.10 = 479,651,715.40/x
  3. Step 3: Cross multiply
    1,091,871,747.40x = 1,637,807,621.10 × 479,651,715.40
  4. Step 4: Simplify right side
    1,091,871,747.40x = 785,577,234,955,808,128
  5. Step 5: Solve for x
    x = 785,577,234,955,808,128/1,091,871,747.40
  6. Step 6: Final answer
    x = 719,477,573.10

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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.