Home / 52,108,861,688.40-77,812,390,648.03-42,555,618,746.01

Finding the Fourth Proportional to 52,108,861,688.40, 77,812,390,648.03 and 42,555,618,746.01

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Solution

The fourth proportional to 52,108,861,688.40, 77,812,390,648.03 and 42,555,618,746.01 is: 63,546,857,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,108,861,688.40 : 77,812,390,648.03 = 42,555,618,746.01 : x
  2. Step 2: Convert to fraction form
    52,108,861,688.40/77,812,390,648.03 = 42,555,618,746.01/x
  3. Step 3: Cross multiply
    52,108,861,688.40x = 77,812,390,648.03 × 42,555,618,746.01
  4. Step 4: Simplify right side
    52,108,861,688.40x = 3,311,354,430,133,030,617,088
  5. Step 5: Solve for x
    x = 3,311,354,430,133,030,617,088/52,108,861,688.40
  6. Step 6: Final answer
    x = 63,546,857,920.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.