Home / 931,678,897.20-1,397,518,345.80-716,688,049.20

Finding the Fourth Proportional to 931,678,897.20, 1,397,518,345.80 and 716,688,049.20

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Solution

The fourth proportional to 931,678,897.20, 1,397,518,345.80 and 716,688,049.20 is: 1,075,032,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,678,897.20 : 1,397,518,345.80 = 716,688,049.20 : x
  2. Step 2: Convert to fraction form
    931,678,897.20/1,397,518,345.80 = 716,688,049.20/x
  3. Step 3: Cross multiply
    931,678,897.20x = 1,397,518,345.80 × 716,688,049.20
  4. Step 4: Simplify right side
    931,678,897.20x = 1,001,584,696,972,612,992
  5. Step 5: Solve for x
    x = 1,001,584,696,972,612,992/931,678,897.20
  6. Step 6: Final answer
    x = 1,075,032,073.80

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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.