Home / 19,134,867,355.60-28,706,332,111.80-8,087,697,000.40

Finding the Fourth Proportional to 19,134,867,355.60, 28,706,332,111.80 and 8,087,697,000.40

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Solution

The fourth proportional to 19,134,867,355.60, 28,706,332,111.80 and 8,087,697,000.40 is: 12,133,249,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134,867,355.60 : 28,706,332,111.80 = 8,087,697,000.40 : x
  2. Step 2: Convert to fraction form
    19,134,867,355.60/28,706,332,111.80 = 8,087,697,000.40/x
  3. Step 3: Cross multiply
    19,134,867,355.60x = 28,706,332,111.80 × 8,087,697,000.40
  4. Step 4: Simplify right side
    19,134,867,355.60x = 232,168,116,113,091,035,136
  5. Step 5: Solve for x
    x = 232,168,116,113,091,035,136/19,134,867,355.60
  6. Step 6: Final answer
    x = 12,133,249,308.63

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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.