Home / 293,011,317,779.20-439,516,976,668.80-72,430,707,731.20

Finding the Fourth Proportional to 293,011,317,779.20, 439,516,976,668.80 and 72,430,707,731.20

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Solution

The fourth proportional to 293,011,317,779.20, 439,516,976,668.80 and 72,430,707,731.20 is: 108,646,061,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,011,317,779.20 : 439,516,976,668.80 = 72,430,707,731.20 : x
  2. Step 2: Convert to fraction form
    293,011,317,779.20/439,516,976,668.80 = 72,430,707,731.20/x
  3. Step 3: Cross multiply
    293,011,317,779.20x = 439,516,976,668.80 × 72,430,707,731.20
  4. Step 4: Simplify right side
    293,011,317,779.20x = 31,834,525,679,998,499,553,280
  5. Step 5: Solve for x
    x = 31,834,525,679,998,499,553,280/293,011,317,779.20
  6. Step 6: Final answer
    x = 108,646,061,596.80

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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.