Home / 712,314,114.90-1,068,471,172.35-303,411,599.70

Finding the Fourth Proportional to 712,314,114.90, 1,068,471,172.35 and 303,411,599.70

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Solution

The fourth proportional to 712,314,114.90, 1,068,471,172.35 and 303,411,599.70 is: 455,117,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,314,114.90 : 1,068,471,172.35 = 303,411,599.70 : x
  2. Step 2: Convert to fraction form
    712,314,114.90/1,068,471,172.35 = 303,411,599.70/x
  3. Step 3: Cross multiply
    712,314,114.90x = 1,068,471,172.35 × 303,411,599.70
  4. Step 4: Simplify right side
    712,314,114.90x = 324,186,547,636,047,872
  5. Step 5: Solve for x
    x = 324,186,547,636,047,872/712,314,114.90
  6. Step 6: Final answer
    x = 455,117,399.55

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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.