Home / 822,460,859.10-1,235,706,827.85-618,387,515.10

Finding the Fourth Proportional to 822,460,859.10, 1,235,706,827.85 and 618,387,515.10

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Solution

The fourth proportional to 822,460,859.10, 1,235,706,827.85 and 618,387,515.10 is: 929,096,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,460,859.10 : 1,235,706,827.85 = 618,387,515.10 : x
  2. Step 2: Convert to fraction form
    822,460,859.10/1,235,706,827.85 = 618,387,515.10/x
  3. Step 3: Cross multiply
    822,460,859.10x = 1,235,706,827.85 × 618,387,515.10
  4. Step 4: Simplify right side
    822,460,859.10x = 764,145,674,666,264,960
  5. Step 5: Solve for x
    x = 764,145,674,666,264,960/822,460,859.10
  6. Step 6: Final answer
    x = 929,096,705.59

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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.