Home / 832,466,803.83-1,248,291,595.86-411,802,142.22

Finding the Fourth Proportional to 832,466,803.83, 1,248,291,595.86 and 411,802,142.22

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Solution

The fourth proportional to 832,466,803.83, 1,248,291,595.86 and 411,802,142.22 is: 617,501,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,466,803.83 : 1,248,291,595.86 = 411,802,142.22 : x
  2. Step 2: Convert to fraction form
    832,466,803.83/1,248,291,595.86 = 411,802,142.22/x
  3. Step 3: Cross multiply
    832,466,803.83x = 1,248,291,595.86 × 411,802,142.22
  4. Step 4: Simplify right side
    832,466,803.83x = 514,049,153,290,370,496
  5. Step 5: Solve for x
    x = 514,049,153,290,370,496/832,466,803.83
  6. Step 6: Final answer
    x = 617,501,083.44

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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.