Home / 1,319,150,430.90-1,980,678,199.95-738,045,285.30

Finding the Fourth Proportional to 1,319,150,430.90, 1,980,678,199.95 and 738,045,285.30

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Solution

The fourth proportional to 1,319,150,430.90, 1,980,678,199.95 and 738,045,285.30 is: 1,108,160,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,150,430.90 : 1,980,678,199.95 = 738,045,285.30 : x
  2. Step 2: Convert to fraction form
    1,319,150,430.90/1,980,678,199.95 = 738,045,285.30/x
  3. Step 3: Cross multiply
    1,319,150,430.90x = 1,980,678,199.95 × 738,045,285.30
  4. Step 4: Simplify right side
    1,319,150,430.90x = 1,461,830,207,169,588,224
  5. Step 5: Solve for x
    x = 1,461,830,207,169,588,224/1,319,150,430.90
  6. Step 6: Final answer
    x = 1,108,160,353.00

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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.