Home / 1,371,499,291.04-1,892,826,032.40-768,832,688.34

Finding the Fourth Proportional to 1,371,499,291.04, 1,892,826,032.40 and 768,832,688.34

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Solution

The fourth proportional to 1,371,499,291.04, 1,892,826,032.40 and 768,832,688.34 is: 1,061,077,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,499,291.04 : 1,892,826,032.40 = 768,832,688.34 : x
  2. Step 2: Convert to fraction form
    1,371,499,291.04/1,892,826,032.40 = 768,832,688.34/x
  3. Step 3: Cross multiply
    1,371,499,291.04x = 1,892,826,032.40 × 768,832,688.34
  4. Step 4: Simplify right side
    1,371,499,291.04x = 1,455,266,527,050,028,032
  5. Step 5: Solve for x
    x = 1,455,266,527,050,028,032/1,371,499,291.04
  6. Step 6: Final answer
    x = 1,061,077,126.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.