Home / 772,406,328.60-1,159,124,658.12-281,119,461.48

Finding the Fourth Proportional to 772,406,328.60, 1,159,124,658.12 and 281,119,461.48

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Solution

The fourth proportional to 772,406,328.60, 1,159,124,658.12 and 281,119,461.48 is: 421,866,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,406,328.60 : 1,159,124,658.12 = 281,119,461.48 : x
  2. Step 2: Convert to fraction form
    772,406,328.60/1,159,124,658.12 = 281,119,461.48/x
  3. Step 3: Cross multiply
    772,406,328.60x = 1,159,124,658.12 × 281,119,461.48
  4. Step 4: Simplify right side
    772,406,328.60x = 325,852,499,678,883,520
  5. Step 5: Solve for x
    x = 325,852,499,678,883,520/772,406,328.60
  6. Step 6: Final answer
    x = 421,866,688.05

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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.