Home / 1,119,780,030.60-1,679,670,045.90-301,975,000.20

Finding the Fourth Proportional to 1,119,780,030.60, 1,679,670,045.90 and 301,975,000.20

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Solution

The fourth proportional to 1,119,780,030.60, 1,679,670,045.90 and 301,975,000.20 is: 452,962,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,780,030.60 : 1,679,670,045.90 = 301,975,000.20 : x
  2. Step 2: Convert to fraction form
    1,119,780,030.60/1,679,670,045.90 = 301,975,000.20/x
  3. Step 3: Cross multiply
    1,119,780,030.60x = 1,679,670,045.90 × 301,975,000.20
  4. Step 4: Simplify right side
    1,119,780,030.60x = 507,218,362,446,586,496
  5. Step 5: Solve for x
    x = 507,218,362,446,586,496/1,119,780,030.60
  6. Step 6: Final answer
    x = 452,962,500.30

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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.