Home / 31,872,473,420.60-47,808,710,130.90-9,789,470,118.20

Finding the Fourth Proportional to 31,872,473,420.60, 47,808,710,130.90 and 9,789,470,118.20

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Solution

The fourth proportional to 31,872,473,420.60, 47,808,710,130.90 and 9,789,470,118.20 is: 14,684,205,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,473,420.60 : 47,808,710,130.90 = 9,789,470,118.20 : x
  2. Step 2: Convert to fraction form
    31,872,473,420.60/47,808,710,130.90 = 9,789,470,118.20/x
  3. Step 3: Cross multiply
    31,872,473,420.60x = 47,808,710,130.90 × 9,789,470,118.20
  4. Step 4: Simplify right side
    31,872,473,420.60x = 468,021,939,216,131,227,648
  5. Step 5: Solve for x
    x = 468,021,939,216,131,227,648/31,872,473,420.60
  6. Step 6: Final answer
    x = 14,684,205,177.30

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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.