Home / 1,989,457,845.60-2,984,186,768.40-590,492,557.20

Finding the Fourth Proportional to 1,989,457,845.60, 2,984,186,768.40 and 590,492,557.20

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Solution

The fourth proportional to 1,989,457,845.60, 2,984,186,768.40 and 590,492,557.20 is: 885,738,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,457,845.60 : 2,984,186,768.40 = 590,492,557.20 : x
  2. Step 2: Convert to fraction form
    1,989,457,845.60/2,984,186,768.40 = 590,492,557.20/x
  3. Step 3: Cross multiply
    1,989,457,845.60x = 2,984,186,768.40 × 590,492,557.20
  4. Step 4: Simplify right side
    1,989,457,845.60x = 1,762,140,076,034,920,448
  5. Step 5: Solve for x
    x = 1,762,140,076,034,920,448/1,989,457,845.60
  6. Step 6: Final answer
    x = 885,738,835.80

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Double scale
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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.