Home / 719,300,068.84-992,623,531.04-401,764,948.76

Finding the Fourth Proportional to 719,300,068.84, 992,623,531.04 and 401,764,948.76

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Solution

The fourth proportional to 719,300,068.84, 992,623,531.04 and 401,764,948.76 is: 554,429,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,300,068.84 : 992,623,531.04 = 401,764,948.76 : x
  2. Step 2: Convert to fraction form
    719,300,068.84/992,623,531.04 = 401,764,948.76/x
  3. Step 3: Cross multiply
    719,300,068.84x = 992,623,531.04 × 401,764,948.76
  4. Step 4: Simplify right side
    719,300,068.84x = 398,801,342,086,255,872
  5. Step 5: Solve for x
    x = 398,801,342,086,255,872/719,300,068.84
  6. Step 6: Final answer
    x = 554,429,728.79

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1.5x scale

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.