Home / 852,484,379.40-1,278,166,697.10-334,602,779.40

Finding the Fourth Proportional to 852,484,379.40, 1,278,166,697.10 and 334,602,779.40

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Solution

The fourth proportional to 852,484,379.40, 1,278,166,697.10 and 334,602,779.40 is: 501,684,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,484,379.40 : 1,278,166,697.10 = 334,602,779.40 : x
  2. Step 2: Convert to fraction form
    852,484,379.40/1,278,166,697.10 = 334,602,779.40/x
  3. Step 3: Cross multiply
    852,484,379.40x = 1,278,166,697.10 × 334,602,779.40
  4. Step 4: Simplify right side
    852,484,379.40x = 427,678,129,386,177,856
  5. Step 5: Solve for x
    x = 427,678,129,386,177,856/852,484,379.40
  6. Step 6: Final answer
    x = 501,684,417.59

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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.