Home / 39,459,712,986.30-59,189,569,479.45-18,539,006,580.30

Finding the Fourth Proportional to 39,459,712,986.30, 59,189,569,479.45 and 18,539,006,580.30

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Solution

The fourth proportional to 39,459,712,986.30, 59,189,569,479.45 and 18,539,006,580.30 is: 27,808,509,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,712,986.30 : 59,189,569,479.45 = 18,539,006,580.30 : x
  2. Step 2: Convert to fraction form
    39,459,712,986.30/59,189,569,479.45 = 18,539,006,580.30/x
  3. Step 3: Cross multiply
    39,459,712,986.30x = 59,189,569,479.45 × 18,539,006,580.30
  4. Step 4: Simplify right side
    39,459,712,986.30x = 1,097,315,818,064,647,553,024
  5. Step 5: Solve for x
    x = 1,097,315,818,064,647,553,024/39,459,712,986.30
  6. Step 6: Final answer
    x = 27,808,509,870.45

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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.