Home / 697,771,798.65-962,931,539.19-384,517,222.40

Finding the Fourth Proportional to 697,771,798.65, 962,931,539.19 and 384,517,222.40

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Solution

The fourth proportional to 697,771,798.65, 962,931,539.19 and 384,517,222.40 is: 530,637,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,798.65 : 962,931,539.19 = 384,517,222.40 : x
  2. Step 2: Convert to fraction form
    697,771,798.65/962,931,539.19 = 384,517,222.40/x
  3. Step 3: Cross multiply
    697,771,798.65x = 962,931,539.19 × 384,517,222.40
  4. Step 4: Simplify right side
    697,771,798.65x = 370,263,760,814,544,768
  5. Step 5: Solve for x
    x = 370,263,760,814,544,768/697,771,798.65
  6. Step 6: Final answer
    x = 530,637,325.17

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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.