Home / 13,300,005,795.02-18,353,996,018.15-7,507,528,711.13

Finding the Fourth Proportional to 13,300,005,795.02, 18,353,996,018.15 and 7,507,528,711.13

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Solution

The fourth proportional to 13,300,005,795.02, 18,353,996,018.15 and 7,507,528,711.13 is: 10,360,382,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,005,795.02 : 18,353,996,018.15 = 7,507,528,711.13 : x
  2. Step 2: Convert to fraction form
    13,300,005,795.02/18,353,996,018.15 = 7,507,528,711.13/x
  3. Step 3: Cross multiply
    13,300,005,795.02x = 18,353,996,018.15 × 7,507,528,711.13
  4. Step 4: Simplify right side
    13,300,005,795.02x = 137,793,152,070,097,518,592
  5. Step 5: Solve for x
    x = 137,793,152,070,097,518,592/13,300,005,795.02
  6. Step 6: Final answer
    x = 10,360,382,859.51

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Double scale
Find fourth proportional to 13,300,005,796.02, 18,353,996,019.53 and 7,507,528,712.13
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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.