Home / 690,341,284.80-952,664,677.92-377,075,448

Finding the Fourth Proportional to 690,341,284.80, 952,664,677.92 and 377,075,448

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Solution

The fourth proportional to 690,341,284.80, 952,664,677.92 and 377,075,448 is: 520,360,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,341,284.80 : 952,664,677.92 = 377,075,448 : x
  2. Step 2: Convert to fraction form
    690,341,284.80/952,664,677.92 = 377,075,448/x
  3. Step 3: Cross multiply
    690,341,284.80x = 952,664,677.92 × 377,075,448
  4. Step 4: Simplify right side
    690,341,284.80x = 359,226,460,220,459,712
  5. Step 5: Solve for x
    x = 359,226,460,220,459,712/690,341,284.80
  6. Step 6: Final answer
    x = 520,360,679.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.