Home / 587,154,466.30-880,731,699.45-393,662,703.10

Finding the Fourth Proportional to 587,154,466.30, 880,731,699.45 and 393,662,703.10

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Solution

The fourth proportional to 587,154,466.30, 880,731,699.45 and 393,662,703.10 is: 590,494,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,154,466.30 : 880,731,699.45 = 393,662,703.10 : x
  2. Step 2: Convert to fraction form
    587,154,466.30/880,731,699.45 = 393,662,703.10/x
  3. Step 3: Cross multiply
    587,154,466.30x = 880,731,699.45 × 393,662,703.10
  4. Step 4: Simplify right side
    587,154,466.30x = 346,711,221,511,343,808
  5. Step 5: Solve for x
    x = 346,711,221,511,343,808/587,154,466.30
  6. Step 6: Final answer
    x = 590,494,054.65

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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.