Home / 507,422,444.40-761,133,666.60-448,971,807.60

Finding the Fourth Proportional to 507,422,444.40, 761,133,666.60 and 448,971,807.60

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Solution

The fourth proportional to 507,422,444.40, 761,133,666.60 and 448,971,807.60 is: 673,457,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,422,444.40 : 761,133,666.60 = 448,971,807.60 : x
  2. Step 2: Convert to fraction form
    507,422,444.40/761,133,666.60 = 448,971,807.60/x
  3. Step 3: Cross multiply
    507,422,444.40x = 761,133,666.60 × 448,971,807.60
  4. Step 4: Simplify right side
    507,422,444.40x = 341,727,558,118,617,792
  5. Step 5: Solve for x
    x = 341,727,558,118,617,792/507,422,444.40
  6. Step 6: Final answer
    x = 673,457,711.40

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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.