Home / 314,935,951.40-472,403,927.10-99,525,199.40

Finding the Fourth Proportional to 314,935,951.40, 472,403,927.10 and 99,525,199.40

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Solution

The fourth proportional to 314,935,951.40, 472,403,927.10 and 99,525,199.40 is: 149,287,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,951.40 : 472,403,927.10 = 99,525,199.40 : x
  2. Step 2: Convert to fraction form
    314,935,951.40/472,403,927.10 = 99,525,199.40/x
  3. Step 3: Cross multiply
    314,935,951.40x = 472,403,927.10 × 99,525,199.40
  4. Step 4: Simplify right side
    314,935,951.40x = 47,016,095,041,970,568
  5. Step 5: Solve for x
    x = 47,016,095,041,970,568/314,935,951.40
  6. Step 6: Final answer
    x = 149,287,799.10

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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.