Home / 885,959,125.40-1,328,938,688.10-523,162,069.40

Finding the Fourth Proportional to 885,959,125.40, 1,328,938,688.10 and 523,162,069.40

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Solution

The fourth proportional to 885,959,125.40, 1,328,938,688.10 and 523,162,069.40 is: 784,743,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,959,125.40 : 1,328,938,688.10 = 523,162,069.40 : x
  2. Step 2: Convert to fraction form
    885,959,125.40/1,328,938,688.10 = 523,162,069.40/x
  3. Step 3: Cross multiply
    885,959,125.40x = 1,328,938,688.10 × 523,162,069.40
  4. Step 4: Simplify right side
    885,959,125.40x = 695,250,314,172,117,120
  5. Step 5: Solve for x
    x = 695,250,314,172,117,120/885,959,125.40
  6. Step 6: Final answer
    x = 784,743,104.10

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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.