Home / 21,559,795,545.96-32,310,785,744.91-16,779,470,547.78

Finding the Fourth Proportional to 21,559,795,545.96, 32,310,785,744.91 and 16,779,470,547.78

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Solution

The fourth proportional to 21,559,795,545.96, 32,310,785,744.91 and 16,779,470,547.78 is: 25,146,707,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,795,545.96 : 32,310,785,744.91 = 16,779,470,547.78 : x
  2. Step 2: Convert to fraction form
    21,559,795,545.96/32,310,785,744.91 = 16,779,470,547.78/x
  3. Step 3: Cross multiply
    21,559,795,545.96x = 32,310,785,744.91 × 16,779,470,547.78
  4. Step 4: Simplify right side
    21,559,795,545.96x = 542,157,877,782,347,251,712
  5. Step 5: Solve for x
    x = 542,157,877,782,347,251,712/21,559,795,545.96
  6. Step 6: Final answer
    x = 25,146,707,751.78

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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.