Home / 989,496,013.80-1,484,244,020.70-944,146,381.80

Finding the Fourth Proportional to 989,496,013.80, 1,484,244,020.70 and 944,146,381.80

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Solution

The fourth proportional to 989,496,013.80, 1,484,244,020.70 and 944,146,381.80 is: 1,416,219,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,496,013.80 : 1,484,244,020.70 = 944,146,381.80 : x
  2. Step 2: Convert to fraction form
    989,496,013.80/1,484,244,020.70 = 944,146,381.80/x
  3. Step 3: Cross multiply
    989,496,013.80x = 1,484,244,020.70 × 944,146,381.80
  4. Step 4: Simplify right side
    989,496,013.80x = 1,401,343,621,852,189,184
  5. Step 5: Solve for x
    x = 1,401,343,621,852,189,184/989,496,013.80
  6. Step 6: Final answer
    x = 1,416,219,572.70

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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.