Home / 758,646,223.90-1,137,402,465.45-413,989,020.70

Finding the Fourth Proportional to 758,646,223.90, 1,137,402,465.45 and 413,989,020.70

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Solution

The fourth proportional to 758,646,223.90, 1,137,402,465.45 and 413,989,020.70 is: 620,674,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,646,223.90 : 1,137,402,465.45 = 413,989,020.70 : x
  2. Step 2: Convert to fraction form
    758,646,223.90/1,137,402,465.45 = 413,989,020.70/x
  3. Step 3: Cross multiply
    758,646,223.90x = 1,137,402,465.45 × 413,989,020.70
  4. Step 4: Simplify right side
    758,646,223.90x = 470,872,132,813,411,072
  5. Step 5: Solve for x
    x = 470,872,132,813,411,072/758,646,223.90
  6. Step 6: Final answer
    x = 620,674,193.03

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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.