Home / 712,330,547.63-1,068,370,157.03-275,271,918.89

Finding the Fourth Proportional to 712,330,547.63, 1,068,370,157.03 and 275,271,918.89

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Solution

The fourth proportional to 712,330,547.63, 1,068,370,157.03 and 275,271,918.89 is: 412,859,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,330,547.63 : 1,068,370,157.03 = 275,271,918.89 : x
  2. Step 2: Convert to fraction form
    712,330,547.63/1,068,370,157.03 = 275,271,918.89/x
  3. Step 3: Cross multiply
    712,330,547.63x = 1,068,370,157.03 × 275,271,918.89
  4. Step 4: Simplify right side
    712,330,547.63x = 294,092,303,203,740,480
  5. Step 5: Solve for x
    x = 294,092,303,203,740,480/712,330,547.63
  6. Step 6: Final answer
    x = 412,859,316.77

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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.