Home / 697,771,767.22-962,931,495.81-384,517,190.98

Finding the Fourth Proportional to 697,771,767.22, 962,931,495.81 and 384,517,190.98

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Solution

The fourth proportional to 697,771,767.22, 962,931,495.81 and 384,517,190.98 is: 530,637,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,767.22 : 962,931,495.81 = 384,517,190.98 : x
  2. Step 2: Convert to fraction form
    697,771,767.22/962,931,495.81 = 384,517,190.98/x
  3. Step 3: Cross multiply
    697,771,767.22x = 962,931,495.81 × 384,517,190.98
  4. Step 4: Simplify right side
    697,771,767.22x = 370,263,713,875,030,848
  5. Step 5: Solve for x
    x = 370,263,713,875,030,848/697,771,767.22
  6. Step 6: Final answer
    x = 530,637,281.80

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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.