Home / 626,228,938.74-864,346,445.87-358,459,993.16

Finding the Fourth Proportional to 626,228,938.74, 864,346,445.87 and 358,459,993.16

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Solution

The fourth proportional to 626,228,938.74, 864,346,445.87 and 358,459,993.16 is: 494,760,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,228,938.74 : 864,346,445.87 = 358,459,993.16 : x
  2. Step 2: Convert to fraction form
    626,228,938.74/864,346,445.87 = 358,459,993.16/x
  3. Step 3: Cross multiply
    626,228,938.74x = 864,346,445.87 × 358,459,993.16
  4. Step 4: Simplify right side
    626,228,938.74x = 309,833,621,068,316,480
  5. Step 5: Solve for x
    x = 309,833,621,068,316,480/626,228,938.74
  6. Step 6: Final answer
    x = 494,760,944.28

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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.