Home / 531,078,905,668.48-732,891,097,933.04-287,208,374,528.16

Finding the Fourth Proportional to 531,078,905,668.48, 732,891,097,933.04 and 287,208,374,528.16

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Solution

The fourth proportional to 531,078,905,668.48, 732,891,097,933.04 and 287,208,374,528.16 is: 396,348,750,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,905,668.48 : 732,891,097,933.04 = 287,208,374,528.16 : x
  2. Step 2: Convert to fraction form
    531,078,905,668.48/732,891,097,933.04 = 287,208,374,528.16/x
  3. Step 3: Cross multiply
    531,078,905,668.48x = 732,891,097,933.04 × 287,208,374,528.16
  4. Step 4: Simplify right side
    531,078,905,668.48x = 210,492,460,943,506,938,003,456
  5. Step 5: Solve for x
    x = 210,492,460,943,506,938,003,456/531,078,905,668.48
  6. Step 6: Final answer
    x = 396,348,750,998.79

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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.