Home / 646,909,582.32-893,166,144.72-382,676,460.96

Finding the Fourth Proportional to 646,909,582.32, 893,166,144.72 and 382,676,460.96

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Solution

The fourth proportional to 646,909,582.32, 893,166,144.72 and 382,676,460.96 is: 528,348,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,909,582.32 : 893,166,144.72 = 382,676,460.96 : x
  2. Step 2: Convert to fraction form
    646,909,582.32/893,166,144.72 = 382,676,460.96/x
  3. Step 3: Cross multiply
    646,909,582.32x = 893,166,144.72 × 382,676,460.96
  4. Step 4: Simplify right side
    646,909,582.32x = 341,793,659,310,736,768
  5. Step 5: Solve for x
    x = 341,793,659,310,736,768/646,909,582.32
  6. Step 6: Final answer
    x = 528,348,425.58

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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.