Home / 774,636,664.40-1,068,520,979.40-473,080,507.28

Finding the Fourth Proportional to 774,636,664.40, 1,068,520,979.40 and 473,080,507.28

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Solution

The fourth proportional to 774,636,664.40, 1,068,520,979.40 and 473,080,507.28 is: 652,559,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,636,664.40 : 1,068,520,979.40 = 473,080,507.28 : x
  2. Step 2: Convert to fraction form
    774,636,664.40/1,068,520,979.40 = 473,080,507.28/x
  3. Step 3: Cross multiply
    774,636,664.40x = 1,068,520,979.40 × 473,080,507.28
  4. Step 4: Simplify right side
    774,636,664.40x = 505,496,446,973,874,368
  5. Step 5: Solve for x
    x = 505,496,446,973,874,368/774,636,664.40
  6. Step 6: Final answer
    x = 652,559,412.95

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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.