Home / 1,103,839,973.18-1,656,908,397.76-813,035,457.98

Finding the Fourth Proportional to 1,103,839,973.18, 1,656,908,397.76 and 813,035,457.98

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Solution

The fourth proportional to 1,103,839,973.18, 1,656,908,397.76 and 813,035,457.98 is: 1,220,399,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,839,973.18 : 1,656,908,397.76 = 813,035,457.98 : x
  2. Step 2: Convert to fraction form
    1,103,839,973.18/1,656,908,397.76 = 813,035,457.98/x
  3. Step 3: Cross multiply
    1,103,839,973.18x = 1,656,908,397.76 × 813,035,457.98
  4. Step 4: Simplify right side
    1,103,839,973.18x = 1,347,125,278,003,709,696
  5. Step 5: Solve for x
    x = 1,347,125,278,003,709,696/1,103,839,973.18
  6. Step 6: Final answer
    x = 1,220,399,071.18

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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.