Home / 985,637,566.50-1,479,909,723.06-549,789,811.62

Finding the Fourth Proportional to 985,637,566.50, 1,479,909,723.06 and 549,789,811.62

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Solution

The fourth proportional to 985,637,566.50, 1,479,909,723.06 and 549,789,811.62 is: 825,495,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,637,566.50 : 1,479,909,723.06 = 549,789,811.62 : x
  2. Step 2: Convert to fraction form
    985,637,566.50/1,479,909,723.06 = 549,789,811.62/x
  3. Step 3: Cross multiply
    985,637,566.50x = 1,479,909,723.06 × 549,789,811.62
  4. Step 4: Simplify right side
    985,637,566.50x = 813,639,287,855,763,712
  5. Step 5: Solve for x
    x = 813,639,287,855,763,712/985,637,566.50
  6. Step 6: Final answer
    x = 825,495,410.80

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Double scale
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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.