Home / 1,355,865,317.60-1,870,990,838.73-761,034,880.86

Finding the Fourth Proportional to 1,355,865,317.60, 1,870,990,838.73 and 761,034,880.86

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Solution

The fourth proportional to 1,355,865,317.60, 1,870,990,838.73 and 761,034,880.86 is: 1,050,170,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,865,317.60 : 1,870,990,838.73 = 761,034,880.86 : x
  2. Step 2: Convert to fraction form
    1,355,865,317.60/1,870,990,838.73 = 761,034,880.86/x
  3. Step 3: Cross multiply
    1,355,865,317.60x = 1,870,990,838.73 × 761,034,880.86
  4. Step 4: Simplify right side
    1,355,865,317.60x = 1,423,889,290,036,020,992
  5. Step 5: Solve for x
    x = 1,423,889,290,036,020,992/1,355,865,317.60
  6. Step 6: Final answer
    x = 1,050,170,154.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.