Home / 977,596,010.80-1,468,094,627.40-518,430,986.80

Finding the Fourth Proportional to 977,596,010.80, 1,468,094,627.40 and 518,430,986.80

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Solution

The fourth proportional to 977,596,010.80, 1,468,094,627.40 and 518,430,986.80 is: 778,548,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,596,010.80 : 1,468,094,627.40 = 518,430,986.80 : x
  2. Step 2: Convert to fraction form
    977,596,010.80/1,468,094,627.40 = 518,430,986.80/x
  3. Step 3: Cross multiply
    977,596,010.80x = 1,468,094,627.40 × 518,430,986.80
  4. Step 4: Simplify right side
    977,596,010.80x = 761,105,746,398,760,448
  5. Step 5: Solve for x
    x = 761,105,746,398,760,448/977,596,010.80
  6. Step 6: Final answer
    x = 778,548,334.89

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1.5x scale

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.