Home / 1,434,852,977.10-2,152,279,465.65-780,117,665.10

Finding the Fourth Proportional to 1,434,852,977.10, 2,152,279,465.65 and 780,117,665.10

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Solution

The fourth proportional to 1,434,852,977.10, 2,152,279,465.65 and 780,117,665.10 is: 1,170,176,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,852,977.10 : 2,152,279,465.65 = 780,117,665.10 : x
  2. Step 2: Convert to fraction form
    1,434,852,977.10/2,152,279,465.65 = 780,117,665.10/x
  3. Step 3: Cross multiply
    1,434,852,977.10x = 2,152,279,465.65 × 780,117,665.10
  4. Step 4: Simplify right side
    1,434,852,977.10x = 1,679,031,231,385,553,664
  5. Step 5: Solve for x
    x = 1,679,031,231,385,553,664/1,434,852,977.10
  6. Step 6: Final answer
    x = 1,170,176,497.65

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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.