Home / 697,771,800.61-962,931,541.89-384,517,224.34

Finding the Fourth Proportional to 697,771,800.61, 962,931,541.89 and 384,517,224.34

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Solution

The fourth proportional to 697,771,800.61, 962,931,541.89 and 384,517,224.34 is: 530,637,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,800.61 : 962,931,541.89 = 384,517,224.34 : x
  2. Step 2: Convert to fraction form
    697,771,800.61/962,931,541.89 = 384,517,224.34/x
  3. Step 3: Cross multiply
    697,771,800.61x = 962,931,541.89 × 384,517,224.34
  4. Step 4: Simplify right side
    697,771,800.61x = 370,263,763,716,979,200
  5. Step 5: Solve for x
    x = 370,263,763,716,979,200/697,771,800.61
  6. Step 6: Final answer
    x = 530,637,327.84

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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.