Home / 678,416,193.80-1,017,624,290.70-463,425,345.80

Finding the Fourth Proportional to 678,416,193.80, 1,017,624,290.70 and 463,425,345.80

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Solution

The fourth proportional to 678,416,193.80, 1,017,624,290.70 and 463,425,345.80 is: 695,138,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,416,193.80 : 1,017,624,290.70 = 463,425,345.80 : x
  2. Step 2: Convert to fraction form
    678,416,193.80/1,017,624,290.70 = 463,425,345.80/x
  3. Step 3: Cross multiply
    678,416,193.80x = 1,017,624,290.70 × 463,425,345.80
  4. Step 4: Simplify right side
    678,416,193.80x = 471,592,888,812,127,232
  5. Step 5: Solve for x
    x = 471,592,888,812,127,232/678,416,193.80
  6. Step 6: Final answer
    x = 695,138,018.70

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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.