Home / 910,239,094.50-1,256,133,281.13-492,551,384.10

Finding the Fourth Proportional to 910,239,094.50, 1,256,133,281.13 and 492,551,384.10

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Solution

The fourth proportional to 910,239,094.50, 1,256,133,281.13 and 492,551,384.10 is: 679,722,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,239,094.50 : 1,256,133,281.13 = 492,551,384.10 : x
  2. Step 2: Convert to fraction form
    910,239,094.50/1,256,133,281.13 = 492,551,384.10/x
  3. Step 3: Cross multiply
    910,239,094.50x = 1,256,133,281.13 × 492,551,384.10
  4. Step 4: Simplify right side
    910,239,094.50x = 618,710,186,234,656,000
  5. Step 5: Solve for x
    x = 618,710,186,234,656,000/910,239,094.50
  6. Step 6: Final answer
    x = 679,722,712.39

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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.