Home / 1,319,150,404.90-1,980,678,160.95-738,045,259.30

Finding the Fourth Proportional to 1,319,150,404.90, 1,980,678,160.95 and 738,045,259.30

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Solution

The fourth proportional to 1,319,150,404.90, 1,980,678,160.95 and 738,045,259.30 is: 1,108,160,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,150,404.90 : 1,980,678,160.95 = 738,045,259.30 : x
  2. Step 2: Convert to fraction form
    1,319,150,404.90/1,980,678,160.95 = 738,045,259.30/x
  3. Step 3: Cross multiply
    1,319,150,404.90x = 1,980,678,160.95 × 738,045,259.30
  4. Step 4: Simplify right side
    1,319,150,404.90x = 1,461,830,126,888,189,952
  5. Step 5: Solve for x
    x = 1,461,830,126,888,189,952/1,319,150,404.90
  6. Step 6: Final answer
    x = 1,108,160,313.99

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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.