Home / 672,175,511.40-1,008,263,267.10-452,637,234.30

Finding the Fourth Proportional to 672,175,511.40, 1,008,263,267.10 and 452,637,234.30

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Solution

The fourth proportional to 672,175,511.40, 1,008,263,267.10 and 452,637,234.30 is: 678,955,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,175,511.40 : 1,008,263,267.10 = 452,637,234.30 : x
  2. Step 2: Convert to fraction form
    672,175,511.40/1,008,263,267.10 = 452,637,234.30/x
  3. Step 3: Cross multiply
    672,175,511.40x = 1,008,263,267.10 × 452,637,234.30
  4. Step 4: Simplify right side
    672,175,511.40x = 456,377,496,666,426,176
  5. Step 5: Solve for x
    x = 456,377,496,666,426,176/672,175,511.40
  6. Step 6: Final answer
    x = 678,955,851.45

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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.