Home / 1,165,012,981.60-1,747,519,472.40-303,369,973.60

Finding the Fourth Proportional to 1,165,012,981.60, 1,747,519,472.40 and 303,369,973.60

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Solution

The fourth proportional to 1,165,012,981.60, 1,747,519,472.40 and 303,369,973.60 is: 455,054,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,012,981.60 : 1,747,519,472.40 = 303,369,973.60 : x
  2. Step 2: Convert to fraction form
    1,165,012,981.60/1,747,519,472.40 = 303,369,973.60/x
  3. Step 3: Cross multiply
    1,165,012,981.60x = 1,747,519,472.40 × 303,369,973.60
  4. Step 4: Simplify right side
    1,165,012,981.60x = 530,144,936,207,473,984
  5. Step 5: Solve for x
    x = 530,144,936,207,473,984/1,165,012,981.60
  6. Step 6: Final answer
    x = 455,054,960.40

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Half scale
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Double scale
Find fourth proportional to 1,165,012,982.60, 1,747,519,473.90 and 303,369,974.60
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.