Home / 880,097,959.40-1,320,146,939.10-738,043,780.10

Finding the Fourth Proportional to 880,097,959.40, 1,320,146,939.10 and 738,043,780.10

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Solution

The fourth proportional to 880,097,959.40, 1,320,146,939.10 and 738,043,780.10 is: 1,107,065,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,097,959.40 : 1,320,146,939.10 = 738,043,780.10 : x
  2. Step 2: Convert to fraction form
    880,097,959.40/1,320,146,939.10 = 738,043,780.10/x
  3. Step 3: Cross multiply
    880,097,959.40x = 1,320,146,939.10 × 738,043,780.10
  4. Step 4: Simplify right side
    880,097,959.40x = 974,326,237,220,808,448
  5. Step 5: Solve for x
    x = 974,326,237,220,808,448/880,097,959.40
  6. Step 6: Final answer
    x = 1,107,065,670.15

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1.5x scale

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.