Home / 1,039,816,515.02-1,434,948,017.40-563,506,881.44

Finding the Fourth Proportional to 1,039,816,515.02, 1,434,948,017.40 and 563,506,881.44

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Solution

The fourth proportional to 1,039,816,515.02, 1,434,948,017.40 and 563,506,881.44 is: 777,640,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,816,515.02 : 1,434,948,017.40 = 563,506,881.44 : x
  2. Step 2: Convert to fraction form
    1,039,816,515.02/1,434,948,017.40 = 563,506,881.44/x
  3. Step 3: Cross multiply
    1,039,816,515.02x = 1,434,948,017.40 × 563,506,881.44
  4. Step 4: Simplify right side
    1,039,816,515.02x = 808,603,082,306,410,112
  5. Step 5: Solve for x
    x = 808,603,082,306,410,112/1,039,816,515.02
  6. Step 6: Final answer
    x = 777,640,161.15

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Double scale
Find fourth proportional to 1,039,816,516.02, 1,434,948,018.78 and 563,506,882.44
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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.