Home / 961,803,567.12-1,327,176,948-538,440,411.08

Finding the Fourth Proportional to 961,803,567.12, 1,327,176,948 and 538,440,411.08

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Solution

The fourth proportional to 961,803,567.12, 1,327,176,948 and 538,440,411.08 is: 742,985,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,803,567.12 : 1,327,176,948 = 538,440,411.08 : x
  2. Step 2: Convert to fraction form
    961,803,567.12/1,327,176,948 = 538,440,411.08/x
  3. Step 3: Cross multiply
    961,803,567.12x = 1,327,176,948 × 538,440,411.08
  4. Step 4: Simplify right side
    961,803,567.12x = 714,605,701,457,019,904
  5. Step 5: Solve for x
    x = 714,605,701,457,019,904/961,803,567.12
  6. Step 6: Final answer
    x = 742,985,081.24

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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.