Home / 1,917,148,808,639.70-2,645,666,782,301.40-1,038,230,399,743.80

Finding the Fourth Proportional to 1,917,148,808,639.70, 2,645,666,782,301.40 and 1,038,230,399,743.80

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Solution

The fourth proportional to 1,917,148,808,639.70, 2,645,666,782,301.40 and 1,038,230,399,743.80 is: 1,432,758,724,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,148,808,639.70 : 2,645,666,782,301.40 = 1,038,230,399,743.80 : x
  2. Step 2: Convert to fraction form
    1,917,148,808,639.70/2,645,666,782,301.40 = 1,038,230,399,743.80/x
  3. Step 3: Cross multiply
    1,917,148,808,639.70x = 2,645,666,782,301.40 × 1,038,230,399,743.80
  4. Step 4: Simplify right side
    1,917,148,808,639.70x = 2,746,811,680,977,675,865,817,088
  5. Step 5: Solve for x
    x = 2,746,811,680,977,675,865,817,088/1,917,148,808,639.70
  6. Step 6: Final answer
    x = 1,432,758,724,100.64

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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.