Home / 590,495,998.80-885,743,998.20-314,996,984.40

Finding the Fourth Proportional to 590,495,998.80, 885,743,998.20 and 314,996,984.40

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Solution

The fourth proportional to 590,495,998.80, 885,743,998.20 and 314,996,984.40 is: 472,495,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,495,998.80 : 885,743,998.20 = 314,996,984.40 : x
  2. Step 2: Convert to fraction form
    590,495,998.80/885,743,998.20 = 314,996,984.40/x
  3. Step 3: Cross multiply
    590,495,998.80x = 885,743,998.20 × 314,996,984.40
  4. Step 4: Simplify right side
    590,495,998.80x = 279,006,688,383,399,008
  5. Step 5: Solve for x
    x = 279,006,688,383,399,008/590,495,998.80
  6. Step 6: Final answer
    x = 472,495,476.60

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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.