Home / 673,771,341.20-1,010,657,011.80-411,877,216.40

Finding the Fourth Proportional to 673,771,341.20, 1,010,657,011.80 and 411,877,216.40

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Solution

The fourth proportional to 673,771,341.20, 1,010,657,011.80 and 411,877,216.40 is: 617,815,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,771,341.20 : 1,010,657,011.80 = 411,877,216.40 : x
  2. Step 2: Convert to fraction form
    673,771,341.20/1,010,657,011.80 = 411,877,216.40/x
  3. Step 3: Cross multiply
    673,771,341.20x = 1,010,657,011.80 × 411,877,216.40
  4. Step 4: Simplify right side
    673,771,341.20x = 416,266,596,755,325,888
  5. Step 5: Solve for x
    x = 416,266,596,755,325,888/673,771,341.20
  6. Step 6: Final answer
    x = 617,815,824.60

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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.