Home / 1,490,598,818.60-2,236,004,516.10-455,458,038.80

Finding the Fourth Proportional to 1,490,598,818.60, 2,236,004,516.10 and 455,458,038.80

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Solution

The fourth proportional to 1,490,598,818.60, 2,236,004,516.10 and 455,458,038.80 is: 683,219,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,598,818.60 : 2,236,004,516.10 = 455,458,038.80 : x
  2. Step 2: Convert to fraction form
    1,490,598,818.60/2,236,004,516.10 = 455,458,038.80/x
  3. Step 3: Cross multiply
    1,490,598,818.60x = 2,236,004,516.10 × 455,458,038.80
  4. Step 4: Simplify right side
    1,490,598,818.60x = 1,018,406,231,650,849,024
  5. Step 5: Solve for x
    x = 1,018,406,231,650,849,024/1,490,598,818.60
  6. Step 6: Final answer
    x = 683,219,534.96

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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.