Home / 1,578,283,893.80-2,367,575,139.90-429,426,549.80

Finding the Fourth Proportional to 1,578,283,893.80, 2,367,575,139.90 and 429,426,549.80

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Solution

The fourth proportional to 1,578,283,893.80, 2,367,575,139.90 and 429,426,549.80 is: 644,180,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,283,893.80 : 2,367,575,139.90 = 429,426,549.80 : x
  2. Step 2: Convert to fraction form
    1,578,283,893.80/2,367,575,139.90 = 429,426,549.80/x
  3. Step 3: Cross multiply
    1,578,283,893.80x = 2,367,575,139.90 × 429,426,549.80
  4. Step 4: Simplify right side
    1,578,283,893.80x = 1,016,699,623,719,509,376
  5. Step 5: Solve for x
    x = 1,016,699,623,719,509,376/1,578,283,893.80
  6. Step 6: Final answer
    x = 644,180,446.69

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Double scale
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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.