Home / 1,205,755,655.40-1,808,633,483.10-387,867,956.40

Finding the Fourth Proportional to 1,205,755,655.40, 1,808,633,483.10 and 387,867,956.40

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Solution

The fourth proportional to 1,205,755,655.40, 1,808,633,483.10 and 387,867,956.40 is: 581,801,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,755,655.40 : 1,808,633,483.10 = 387,867,956.40 : x
  2. Step 2: Convert to fraction form
    1,205,755,655.40/1,808,633,483.10 = 387,867,956.40/x
  3. Step 3: Cross multiply
    1,205,755,655.40x = 1,808,633,483.10 × 387,867,956.40
  4. Step 4: Simplify right side
    1,205,755,655.40x = 701,510,972,966,610,816
  5. Step 5: Solve for x
    x = 701,510,972,966,610,816/1,205,755,655.40
  6. Step 6: Final answer
    x = 581,801,934.60

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1.5x scale

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.