Home / 687,033,006.40-1,030,549,509.60-687,033,006.40

Finding the Fourth Proportional to 687,033,006.40, 1,030,549,509.60 and 687,033,006.40

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Solution

The fourth proportional to 687,033,006.40, 1,030,549,509.60 and 687,033,006.40 is: 1,030,549,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,033,006.40 : 1,030,549,509.60 = 687,033,006.40 : x
  2. Step 2: Convert to fraction form
    687,033,006.40/1,030,549,509.60 = 687,033,006.40/x
  3. Step 3: Cross multiply
    687,033,006.40x = 1,030,549,509.60 × 687,033,006.40
  4. Step 4: Simplify right side
    687,033,006.40x = 708,021,527,824,533,632
  5. Step 5: Solve for x
    x = 708,021,527,824,533,632/687,033,006.40
  6. Step 6: Final answer
    x = 1,030,549,509.60

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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.