Home / 1,434,821,409,859.60-1,980,053,713,490.50-784,500,434,018.40

Finding the Fourth Proportional to 1,434,821,409,859.60, 1,980,053,713,490.50 and 784,500,434,018.40

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Solution

The fourth proportional to 1,434,821,409,859.60, 1,980,053,713,490.50 and 784,500,434,018.40 is: 1,082,610,690,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,821,409,859.60 : 1,980,053,713,490.50 = 784,500,434,018.40 : x
  2. Step 2: Convert to fraction form
    1,434,821,409,859.60/1,980,053,713,490.50 = 784,500,434,018.40/x
  3. Step 3: Cross multiply
    1,434,821,409,859.60x = 1,980,053,713,490.50 × 784,500,434,018.40
  4. Step 4: Simplify right side
    1,434,821,409,859.60x = 1,553,352,997,613,041,969,266,688
  5. Step 5: Solve for x
    x = 1,553,352,997,613,041,969,266,688/1,434,821,409,859.60
  6. Step 6: Final answer
    x = 1,082,610,690,737.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.