Home / 31,872,473,412.10-47,808,710,118.15-9,789,470,109.70

Finding the Fourth Proportional to 31,872,473,412.10, 47,808,710,118.15 and 9,789,470,109.70

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Solution

The fourth proportional to 31,872,473,412.10, 47,808,710,118.15 and 9,789,470,109.70 is: 14,684,205,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,473,412.10 : 47,808,710,118.15 = 9,789,470,109.70 : x
  2. Step 2: Convert to fraction form
    31,872,473,412.10/47,808,710,118.15 = 9,789,470,109.70/x
  3. Step 3: Cross multiply
    31,872,473,412.10x = 47,808,710,118.15 × 9,789,470,109.70
  4. Step 4: Simplify right side
    31,872,473,412.10x = 468,021,938,684,941,434,880
  5. Step 5: Solve for x
    x = 468,021,938,684,941,434,880/31,872,473,412.10
  6. Step 6: Final answer
    x = 14,684,205,164.55

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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.