Home / 699,918,353.80-1,049,877,530.70-659,607,569.80

Finding the Fourth Proportional to 699,918,353.80, 1,049,877,530.70 and 659,607,569.80

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Solution

The fourth proportional to 699,918,353.80, 1,049,877,530.70 and 659,607,569.80 is: 989,411,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,918,353.80 : 1,049,877,530.70 = 659,607,569.80 : x
  2. Step 2: Convert to fraction form
    699,918,353.80/1,049,877,530.70 = 659,607,569.80/x
  3. Step 3: Cross multiply
    699,918,353.80x = 1,049,877,530.70 × 659,607,569.80
  4. Step 4: Simplify right side
    699,918,353.80x = 692,507,166,612,651,904
  5. Step 5: Solve for x
    x = 692,507,166,612,651,904/699,918,353.80
  6. Step 6: Final answer
    x = 989,411,354.70

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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.