Home / 497,663,999.40-746,495,999.10-316,116,172.20

Finding the Fourth Proportional to 497,663,999.40, 746,495,999.10 and 316,116,172.20

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Solution

The fourth proportional to 497,663,999.40, 746,495,999.10 and 316,116,172.20 is: 474,174,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,663,999.40 : 746,495,999.10 = 316,116,172.20 : x
  2. Step 2: Convert to fraction form
    497,663,999.40/746,495,999.10 = 316,116,172.20/x
  3. Step 3: Cross multiply
    497,663,999.40x = 746,495,999.10 × 316,116,172.20
  4. Step 4: Simplify right side
    497,663,999.40x = 235,979,457,798,106,656
  5. Step 5: Solve for x
    x = 235,979,457,798,106,656/497,663,999.40
  6. Step 6: Final answer
    x = 474,174,258.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.