Home / 39,459,712,906.80-59,189,569,360.20-18,539,006,500.80

Finding the Fourth Proportional to 39,459,712,906.80, 59,189,569,360.20 and 18,539,006,500.80

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Solution

The fourth proportional to 39,459,712,906.80, 59,189,569,360.20 and 18,539,006,500.80 is: 27,808,509,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,712,906.80 : 59,189,569,360.20 = 18,539,006,500.80 : x
  2. Step 2: Convert to fraction form
    39,459,712,906.80/59,189,569,360.20 = 18,539,006,500.80/x
  3. Step 3: Cross multiply
    39,459,712,906.80x = 59,189,569,360.20 × 18,539,006,500.80
  4. Step 4: Simplify right side
    39,459,712,906.80x = 1,097,315,811,148,300,156,928
  5. Step 5: Solve for x
    x = 1,097,315,811,148,300,156,928/39,459,712,906.80
  6. Step 6: Final answer
    x = 27,808,509,751.20

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Double scale
Find fourth proportional to 39,459,712,907.80, 59,189,569,361.70 and 18,539,006,501.80
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.