Home / 927,357,701.20-1,391,036,551.80-497,376,005.20

Finding the Fourth Proportional to 927,357,701.20, 1,391,036,551.80 and 497,376,005.20

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Solution

The fourth proportional to 927,357,701.20, 1,391,036,551.80 and 497,376,005.20 is: 746,064,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,357,701.20 : 1,391,036,551.80 = 497,376,005.20 : x
  2. Step 2: Convert to fraction form
    927,357,701.20/1,391,036,551.80 = 497,376,005.20/x
  3. Step 3: Cross multiply
    927,357,701.20x = 1,391,036,551.80 × 497,376,005.20
  4. Step 4: Simplify right side
    927,357,701.20x = 691,868,203,221,466,880
  5. Step 5: Solve for x
    x = 691,868,203,221,466,880/927,357,701.20
  6. Step 6: Final answer
    x = 746,064,007.80

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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.