Home / 708,849,800.70-1,063,274,701.05-613,298,312.70

Finding the Fourth Proportional to 708,849,800.70, 1,063,274,701.05 and 613,298,312.70

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Solution

The fourth proportional to 708,849,800.70, 1,063,274,701.05 and 613,298,312.70 is: 919,947,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,849,800.70 : 1,063,274,701.05 = 613,298,312.70 : x
  2. Step 2: Convert to fraction form
    708,849,800.70/1,063,274,701.05 = 613,298,312.70/x
  3. Step 3: Cross multiply
    708,849,800.70x = 1,063,274,701.05 × 613,298,312.70
  4. Step 4: Simplify right side
    708,849,800.70x = 652,104,580,090,561,920
  5. Step 5: Solve for x
    x = 652,104,580,090,561,920/708,849,800.70
  6. Step 6: Final answer
    x = 919,947,469.05

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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.