Home / 10,637,014,711.20-15,955,522,066.80-9,779,906,666.40

Finding the Fourth Proportional to 10,637,014,711.20, 15,955,522,066.80 and 9,779,906,666.40

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Solution

The fourth proportional to 10,637,014,711.20, 15,955,522,066.80 and 9,779,906,666.40 is: 14,669,859,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,014,711.20 : 15,955,522,066.80 = 9,779,906,666.40 : x
  2. Step 2: Convert to fraction form
    10,637,014,711.20/15,955,522,066.80 = 9,779,906,666.40/x
  3. Step 3: Cross multiply
    10,637,014,711.20x = 15,955,522,066.80 × 9,779,906,666.40
  4. Step 4: Simplify right side
    10,637,014,711.20x = 156,043,516,626,989,613,056
  5. Step 5: Solve for x
    x = 156,043,516,626,989,613,056/10,637,014,711.20
  6. Step 6: Final answer
    x = 14,669,859,999.60

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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.