Home / 738,400,886.44-1,018,772,001.50-425,127,045.76

Finding the Fourth Proportional to 738,400,886.44, 1,018,772,001.50 and 425,127,045.76

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Solution

The fourth proportional to 738,400,886.44, 1,018,772,001.50 and 425,127,045.76 is: 586,547,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,400,886.44 : 1,018,772,001.50 = 425,127,045.76 : x
  2. Step 2: Convert to fraction form
    738,400,886.44/1,018,772,001.50 = 425,127,045.76/x
  3. Step 3: Cross multiply
    738,400,886.44x = 1,018,772,001.50 × 425,127,045.76
  4. Step 4: Simplify right side
    738,400,886.44x = 433,107,531,300,697,280
  5. Step 5: Solve for x
    x = 433,107,531,300,697,280/738,400,886.44
  6. Step 6: Final answer
    x = 586,547,956.88

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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.