Home / 758,646,246.40-1,137,402,499.20-413,989,043.20

Finding the Fourth Proportional to 758,646,246.40, 1,137,402,499.20 and 413,989,043.20

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Solution

The fourth proportional to 758,646,246.40, 1,137,402,499.20 and 413,989,043.20 is: 620,674,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,646,246.40 : 1,137,402,499.20 = 413,989,043.20 : x
  2. Step 2: Convert to fraction form
    758,646,246.40/1,137,402,499.20 = 413,989,043.20/x
  3. Step 3: Cross multiply
    758,646,246.40x = 1,137,402,499.20 × 413,989,043.20
  4. Step 4: Simplify right side
    758,646,246.40x = 470,872,172,377,096,768
  5. Step 5: Solve for x
    x = 470,872,172,377,096,768/758,646,246.40
  6. Step 6: Final answer
    x = 620,674,226.77

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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.