Home / 531,078,905,668.46-732,891,097,933.02-287,208,374,528.16

Finding the Fourth Proportional to 531,078,905,668.46, 732,891,097,933.02 and 287,208,374,528.16

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Solution

The fourth proportional to 531,078,905,668.46, 732,891,097,933.02 and 287,208,374,528.16 is: 396,348,750,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,905,668.46 : 732,891,097,933.02 = 287,208,374,528.16 : x
  2. Step 2: Convert to fraction form
    531,078,905,668.46/732,891,097,933.02 = 287,208,374,528.16/x
  3. Step 3: Cross multiply
    531,078,905,668.46x = 732,891,097,933.02 × 287,208,374,528.16
  4. Step 4: Simplify right side
    531,078,905,668.46x = 210,492,460,943,501,166,641,152
  5. Step 5: Solve for x
    x = 210,492,460,943,501,166,641,152/531,078,905,668.46
  6. Step 6: Final answer
    x = 396,348,750,998.80

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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.