Home / 1,289,439,488.24-1,779,432,519.68-732,553,093.16

Finding the Fourth Proportional to 1,289,439,488.24, 1,779,432,519.68 and 732,553,093.16

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Solution

The fourth proportional to 1,289,439,488.24, 1,779,432,519.68 and 732,553,093.16 is: 1,010,926,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,439,488.24 : 1,779,432,519.68 = 732,553,093.16 : x
  2. Step 2: Convert to fraction form
    1,289,439,488.24/1,779,432,519.68 = 732,553,093.16/x
  3. Step 3: Cross multiply
    1,289,439,488.24x = 1,779,432,519.68 × 732,553,093.16
  4. Step 4: Simplify right side
    1,289,439,488.24x = 1,303,528,796,361,076,480
  5. Step 5: Solve for x
    x = 1,303,528,796,361,076,480/1,289,439,488.24
  6. Step 6: Final answer
    x = 1,010,926,691.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.