Home / 673,758,077.70-1,010,637,116.55-664,688,151.30

Finding the Fourth Proportional to 673,758,077.70, 1,010,637,116.55 and 664,688,151.30

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Solution

The fourth proportional to 673,758,077.70, 1,010,637,116.55 and 664,688,151.30 is: 997,032,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,758,077.70 : 1,010,637,116.55 = 664,688,151.30 : x
  2. Step 2: Convert to fraction form
    673,758,077.70/1,010,637,116.55 = 664,688,151.30/x
  3. Step 3: Cross multiply
    673,758,077.70x = 1,010,637,116.55 × 664,688,151.30
  4. Step 4: Simplify right side
    673,758,077.70x = 671,758,516,634,782,080
  5. Step 5: Solve for x
    x = 671,758,516,634,782,080/673,758,077.70
  6. Step 6: Final answer
    x = 997,032,226.95

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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.