Home / 870,912,865.60-1,306,369,298.40-655,922,017.60

Finding the Fourth Proportional to 870,912,865.60, 1,306,369,298.40 and 655,922,017.60

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Solution

The fourth proportional to 870,912,865.60, 1,306,369,298.40 and 655,922,017.60 is: 983,883,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,912,865.60 : 1,306,369,298.40 = 655,922,017.60 : x
  2. Step 2: Convert to fraction form
    870,912,865.60/1,306,369,298.40 = 655,922,017.60/x
  3. Step 3: Cross multiply
    870,912,865.60x = 1,306,369,298.40 × 655,922,017.60
  4. Step 4: Simplify right side
    870,912,865.60x = 856,876,385,937,224,576
  5. Step 5: Solve for x
    x = 856,876,385,937,224,576/870,912,865.60
  6. Step 6: Final answer
    x = 983,883,026.40

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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.