Home / 785,574,855.16-1,178,319,568.02-240,316,389.16

Finding the Fourth Proportional to 785,574,855.16, 1,178,319,568.02 and 240,316,389.16

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Solution

The fourth proportional to 785,574,855.16, 1,178,319,568.02 and 240,316,389.16 is: 360,461,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,574,855.16 : 1,178,319,568.02 = 240,316,389.16 : x
  2. Step 2: Convert to fraction form
    785,574,855.16/1,178,319,568.02 = 240,316,389.16/x
  3. Step 3: Cross multiply
    785,574,855.16x = 1,178,319,568.02 × 240,316,389.16
  4. Step 4: Simplify right side
    785,574,855.16x = 283,169,503,863,137,408
  5. Step 5: Solve for x
    x = 283,169,503,863,137,408/785,574,855.16
  6. Step 6: Final answer
    x = 360,461,516.82

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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.