Home / 434,484,943.80-651,727,415.70-161,820,281.40

Finding the Fourth Proportional to 434,484,943.80, 651,727,415.70 and 161,820,281.40

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Solution

The fourth proportional to 434,484,943.80, 651,727,415.70 and 161,820,281.40 is: 242,730,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,943.80 : 651,727,415.70 = 161,820,281.40 : x
  2. Step 2: Convert to fraction form
    434,484,943.80/651,727,415.70 = 161,820,281.40/x
  3. Step 3: Cross multiply
    434,484,943.80x = 651,727,415.70 × 161,820,281.40
  4. Step 4: Simplify right side
    434,484,943.80x = 105,462,713,804,668,784
  5. Step 5: Solve for x
    x = 105,462,713,804,668,784/434,484,943.80
  6. Step 6: Final answer
    x = 242,730,422.10

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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.