Home / 1,878,602,643.40-2,817,903,965.10-1,771,464,137.80

Finding the Fourth Proportional to 1,878,602,643.40, 2,817,903,965.10 and 1,771,464,137.80

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Solution

The fourth proportional to 1,878,602,643.40, 2,817,903,965.10 and 1,771,464,137.80 is: 2,657,196,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,602,643.40 : 2,817,903,965.10 = 1,771,464,137.80 : x
  2. Step 2: Convert to fraction form
    1,878,602,643.40/2,817,903,965.10 = 1,771,464,137.80/x
  3. Step 3: Cross multiply
    1,878,602,643.40x = 2,817,903,965.10 × 1,771,464,137.80
  4. Step 4: Simplify right side
    1,878,602,643.40x = 4,991,815,817,939,072,000
  5. Step 5: Solve for x
    x = 4,991,815,817,939,072,000/1,878,602,643.40
  6. Step 6: Final answer
    x = 2,657,196,206.70

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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.