Home / 646,909,570.32-893,166,128.16-382,676,448.96

Finding the Fourth Proportional to 646,909,570.32, 893,166,128.16 and 382,676,448.96

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Solution

The fourth proportional to 646,909,570.32, 893,166,128.16 and 382,676,448.96 is: 528,348,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,909,570.32 : 893,166,128.16 = 382,676,448.96 : x
  2. Step 2: Convert to fraction form
    646,909,570.32/893,166,128.16 = 382,676,448.96/x
  3. Step 3: Cross multiply
    646,909,570.32x = 893,166,128.16 × 382,676,448.96
  4. Step 4: Simplify right side
    646,909,570.32x = 341,793,642,255,621,056
  5. Step 5: Solve for x
    x = 341,793,642,255,621,056/646,909,570.32
  6. Step 6: Final answer
    x = 528,348,409.02

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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.