Home / 1,009,164,421.60-1,513,746,632.40-699,228,030.40

Finding the Fourth Proportional to 1,009,164,421.60, 1,513,746,632.40 and 699,228,030.40

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Solution

The fourth proportional to 1,009,164,421.60, 1,513,746,632.40 and 699,228,030.40 is: 1,048,842,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,164,421.60 : 1,513,746,632.40 = 699,228,030.40 : x
  2. Step 2: Convert to fraction form
    1,009,164,421.60/1,513,746,632.40 = 699,228,030.40/x
  3. Step 3: Cross multiply
    1,009,164,421.60x = 1,513,746,632.40 × 699,228,030.40
  4. Step 4: Simplify right side
    1,009,164,421.60x = 1,058,454,076,297,684,864
  5. Step 5: Solve for x
    x = 1,058,454,076,297,684,864/1,009,164,421.60
  6. Step 6: Final answer
    x = 1,048,842,045.60

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Double scale
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Similar ratio
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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.