Home / 713,338,200.90-1,070,007,301.35-518,838,668.10

Finding the Fourth Proportional to 713,338,200.90, 1,070,007,301.35 and 518,838,668.10

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Solution

The fourth proportional to 713,338,200.90, 1,070,007,301.35 and 518,838,668.10 is: 778,258,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,338,200.90 : 1,070,007,301.35 = 518,838,668.10 : x
  2. Step 2: Convert to fraction form
    713,338,200.90/1,070,007,301.35 = 518,838,668.10/x
  3. Step 3: Cross multiply
    713,338,200.90x = 1,070,007,301.35 × 518,838,668.10
  4. Step 4: Simplify right side
    713,338,200.90x = 555,161,163,089,709,376
  5. Step 5: Solve for x
    x = 555,161,163,089,709,376/713,338,200.90
  6. Step 6: Final answer
    x = 778,258,002.15

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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.