Home / 373,584,851,425.40-515,547,592,136.42-202,307,078,300.64

Finding the Fourth Proportional to 373,584,851,425.40, 515,547,592,136.42 and 202,307,078,300.64

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Solution

The fourth proportional to 373,584,851,425.40, 515,547,592,136.42 and 202,307,078,300.64 is: 279,184,037,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,584,851,425.40 : 515,547,592,136.42 = 202,307,078,300.64 : x
  2. Step 2: Convert to fraction form
    373,584,851,425.40/515,547,592,136.42 = 202,307,078,300.64/x
  3. Step 3: Cross multiply
    373,584,851,425.40x = 515,547,592,136.42 × 202,307,078,300.64
  4. Step 4: Simplify right side
    373,584,851,425.40x = 104,298,927,090,049,136,721,920
  5. Step 5: Solve for x
    x = 104,298,927,090,049,136,721,920/373,584,851,425.40
  6. Step 6: Final answer
    x = 279,184,037,286.58

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1.5x scale

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.