Home / 610,415,983.20-915,623,974.80-586,607,426.40

Finding the Fourth Proportional to 610,415,983.20, 915,623,974.80 and 586,607,426.40

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Solution

The fourth proportional to 610,415,983.20, 915,623,974.80 and 586,607,426.40 is: 879,911,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,415,983.20 : 915,623,974.80 = 586,607,426.40 : x
  2. Step 2: Convert to fraction form
    610,415,983.20/915,623,974.80 = 586,607,426.40/x
  3. Step 3: Cross multiply
    610,415,983.20x = 915,623,974.80 × 586,607,426.40
  4. Step 4: Simplify right side
    610,415,983.20x = 537,111,823,407,566,400
  5. Step 5: Solve for x
    x = 537,111,823,407,566,400/610,415,983.20
  6. Step 6: Final answer
    x = 879,911,139.60

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Half scale
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Double scale
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Similar ratio
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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.