Home / 717,137,379.60-1,075,706,069.40-655,915,376.40

Finding the Fourth Proportional to 717,137,379.60, 1,075,706,069.40 and 655,915,376.40

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Solution

The fourth proportional to 717,137,379.60, 1,075,706,069.40 and 655,915,376.40 is: 983,873,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,137,379.60 : 1,075,706,069.40 = 655,915,376.40 : x
  2. Step 2: Convert to fraction form
    717,137,379.60/1,075,706,069.40 = 655,915,376.40/x
  3. Step 3: Cross multiply
    717,137,379.60x = 1,075,706,069.40 × 655,915,376.40
  4. Step 4: Simplify right side
    717,137,379.60x = 705,572,151,406,265,600
  5. Step 5: Solve for x
    x = 705,572,151,406,265,600/717,137,379.60
  6. Step 6: Final answer
    x = 983,873,064.60

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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.