Home / 12,591,592,572.16-17,370,121,609.02-7,507,370,795.68

Finding the Fourth Proportional to 12,591,592,572.16, 17,370,121,609.02 and 7,507,370,795.68

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Solution

The fourth proportional to 12,591,592,572.16, 17,370,121,609.02 and 7,507,370,795.68 is: 10,356,429,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,592,572.16 : 17,370,121,609.02 = 7,507,370,795.68 : x
  2. Step 2: Convert to fraction form
    12,591,592,572.16/17,370,121,609.02 = 7,507,370,795.68/x
  3. Step 3: Cross multiply
    12,591,592,572.16x = 17,370,121,609.02 × 7,507,370,795.68
  4. Step 4: Simplify right side
    12,591,592,572.16x = 130,403,943,684,966,842,368
  5. Step 5: Solve for x
    x = 130,403,943,684,966,842,368/12,591,592,572.16
  6. Step 6: Final answer
    x = 10,356,429,731.80

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1.5x scale

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.