Home / 646,909,583.32-893,166,146.10-382,676,461.96

Finding the Fourth Proportional to 646,909,583.32, 893,166,146.10 and 382,676,461.96

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Solution

The fourth proportional to 646,909,583.32, 893,166,146.10 and 382,676,461.96 is: 528,348,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,909,583.32 : 893,166,146.10 = 382,676,461.96 : x
  2. Step 2: Convert to fraction form
    646,909,583.32/893,166,146.10 = 382,676,461.96/x
  3. Step 3: Cross multiply
    646,909,583.32x = 893,166,146.10 × 382,676,461.96
  4. Step 4: Simplify right side
    646,909,583.32x = 341,793,660,731,996,416
  5. Step 5: Solve for x
    x = 341,793,660,731,996,416/646,909,583.32
  6. Step 6: Final answer
    x = 528,348,426.96

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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.