Home / 1,990,657,511.80-2,985,986,267.70-610,461,057.40

Finding the Fourth Proportional to 1,990,657,511.80, 2,985,986,267.70 and 610,461,057.40

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Solution

The fourth proportional to 1,990,657,511.80, 2,985,986,267.70 and 610,461,057.40 is: 915,691,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,511.80 : 2,985,986,267.70 = 610,461,057.40 : x
  2. Step 2: Convert to fraction form
    1,990,657,511.80/2,985,986,267.70 = 610,461,057.40/x
  3. Step 3: Cross multiply
    1,990,657,511.80x = 2,985,986,267.70 × 610,461,057.40
  4. Step 4: Simplify right side
    1,990,657,511.80x = 1,822,828,334,362,021,376
  5. Step 5: Solve for x
    x = 1,822,828,334,362,021,376/1,990,657,511.80
  6. Step 6: Final answer
    x = 915,691,586.10

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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.