Home / 907,001,070.95-1,251,581,644.68-505,084,449.19

Finding the Fourth Proportional to 907,001,070.95, 1,251,581,644.68 and 505,084,449.19

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Solution

The fourth proportional to 907,001,070.95, 1,251,581,644.68 and 505,084,449.19 is: 696,972,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,001,070.95 : 1,251,581,644.68 = 505,084,449.19 : x
  2. Step 2: Convert to fraction form
    907,001,070.95/1,251,581,644.68 = 505,084,449.19/x
  3. Step 3: Cross multiply
    907,001,070.95x = 1,251,581,644.68 × 505,084,449.19
  4. Step 4: Simplify right side
    907,001,070.95x = 632,154,425,619,210,368
  5. Step 5: Solve for x
    x = 632,154,425,619,210,368/907,001,070.95
  6. Step 6: Final answer
    x = 696,972,082.91

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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.